Consulta: subjectFacets:"Medicinal plant"
Registros recuperados: 85
Data/hora: 01/06/2024 12:23:49

Organogenesis from leaf and internode explants of Ophiorrhiza prostrata, an anticancer drug (camptothecin) producing plant
Provedor de dados: 69
Autores: Shahanaz Beegum,A; Poulose Martin,Kottackal; Zhang,Chun-Lai; Nishitha,I. K.; Ligimol,; Slater,Adrian; Madhusoodanan,P. V.
Camptothecin (CPT) analogues and derivatives serve as a novel class of effective anticancer agents that exert their action against DNA topoisomerase I. This paper presents procedures for the rapid, high frequency regeneration of a camptothecin producing plant, Ophiorrhiza prostrata D. Don from leaf and internode explants via shoot organogenesis. The concentrations of plant growth regulators and explant types exhibited discrete roles in the efficacy of shoot induction. N6-benzyladenine (BA) was the most effective cytokinin for the induction of shoots. Murashige and Skoog (MS) medium with 8.87 µM BA and 2.46 µM indole-3-butyric acid (IBA) yielded the highest number of shoots from leaf and internode explants (76.0 and 90.8 shoots respectively). In the case of...
Tipo: Journal article
Palavras-chave: Camptothecin; Medicinal plant; Ophiorrhiza prostrata; Plant growth regulators.
Ano: 2007
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582007000100011

A simple method for isolation of genomic DNA from fresh and dry leaves of Terminalia arjuna (Roxb.) Wight and Arnot
Provedor de dados: 69
Autores: Deshmukh,Vishal P; Thakare,Prashant V; Chaudhari,Uddhav S; Gawande,Prashant A.
Current protocols for isolation of genomic DNA from Terminalia arjuna have their own limitations due to the presence of high content of gummy polysaccharides and polyphenols. DNA isolated by these protocols is contaminated with a yellowish, sticky and viscous matrix. In our modified DNA isolation method polysaccharides and polyphenols are removed prior to the precipitation of the DNA. Then the genomic DNA was precipitated using isopropanol. This protocol yielded a high molecular weight DNA isolated from fresh as well as dry leaves of T. arjuna, which was free from contamination and colour. Isolated DNA can be used for restriction digestion and PCR amplification. The main objective of the present protocol is to provide a simple method of isolation of DNA,...
Tipo: Journal article
Palavras-chave: Ayurveda; DNA extraction; Medicinal plant; Terminalia species.
Ano: 2007
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582007000300014

Absence of mutagenicity in somatic and germ cells of mice submitted to subchronic treatment with an extract of Croton cajucara Benth. (Euphorbiaceae)
Provedor de dados: 74
Autores: Santos,Fabio V.; Mesquita,Suzana F.P.; Faria,Maria José S.S.; Poersh,Aline; Maciel,Maria Aparecida M.; Pinto,Angelo C.; Morimoto,Helena K.; Cólus,Ilce Mara S.
The plant Croton cajucara Benth. (Euphorbiaceae) is a medicinal plant from the Brazilian Amazon where it is commonly known as sacaca. The principal compound isolated from C. cajucara stem-bark extracts is the clerodane-type diterpene trans-dehydrocrotonin (DCTN) which presents several biological activities, including antiulcerogenic, anti-inflammatory, hypoglycemic, antimutagenic and antitumoral activity. However, few studies have been carried out to evaluate the therapeutic potential of raw C. cajucara extracts. We studied mutagenicity and antimutagenicity effects of C. cajucara methanol extract using the micronucleus assay in bone marrow cells and the dominant lethal assay in mice submitted to subchronic treatments. The blood testosterone levels of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antimutagenicity; Mutagenicity; Dominant lethal; Micronucleus; Croton cajucara; Medicinal plant.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572006000100029

Genotoxic potential of the latex from cotton-leaf physicnut (Jatropha gossypiifolia L.)
Provedor de dados: 74
Autores: de Almeida,Pedro Marcos; de Sousa Araújo,Silvany; Marin-Morales,Maria Aparecida; Benko-Iseppon,Ana Maria; Brasileiro-Vidal,Ana Christina.
Jatropha gossypiifolia L. (Euphorbiaceae), popularly known as cotton-leaf physicnut, is a milky shrub notable for its medicinal properties. The present study aimed to evaluate the toxic, cytotoxic and genotoxic effects of the latex of J. gossypiifolia, using Allium cepa L. as test system. Seeds of A. cepa were exposed to five concentrations of the latex (1.25; 2.5; 5; 10 and 20 mL/L) in order to evaluate parameters of toxicity (evaluation of root growth), cytotoxicity (mitotic index frequency) and genotoxicity (frequency of chromosome alterations). The latex showed a significant decrease in root mean growth value as well as mitotic index for the tested concentrations, except for 1.25 mL/L, when compared to results from the negative control. The 1.25, 2.5...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allium cepa test; Medicinal plant; Plant latex; Genotoxicity evaluation.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572015000100093

Crude alkaloid extract of Rhazya stricta inhibits cell growth and sensitizes human lung cancer cells to cisplatin through induction of apoptosis
Provedor de dados: 74
Autores: Elkady,Ayman I.
There is an urgent need to improve the clinical management of non-small cell lung cancer (NSCLC), one of the most frequent causes of cancer-related deaths in men and women worldwide. Rhazya stricta, an important medicinal plant used in traditional Oriental medicine, possesses anti-oxidant, anti-carcinogenic and free radical scavenging properties. This study was done to explore the potential anticancer activity of a crude alkaloid extract of R. stricta (CAERS) against the NSCLC line A549. CAERS markedly suppressed the growth of A549 cells and considerably enhanced the anti-proliferative potential of cisplatin. CAERS-mediated inhibition of A549 cell growth correlated with the induction of apoptosis that was accompanied by numerous morphological changes, DNA...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apoptosis; Lung cancer; Medicinal plant; RT-PCR; Western blot.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572013000100003

In vitro establishment of pepper-rosmarin nodal segments
Provedor de dados: 75
Autores: Blank,Arie F; Costa,Andréa S da; Arrigoni-Blank,Maria de Fátima; Mendonça,Aline B de; Ledo,Ana da S.
Pepper-rosmarin (Lippia sidoides Cham.) is a native medicinal plant from the Brazilian biome Caatinga. Its high economical importance comes from the antimicrobial properties of thymol and carvacrol, both present in the pepper-rosmarin essential oil. Nodal segments of pepper-rosmarin were established in vitro to evaluate different growth regulators. We tested four concentrations of IBA (0.0; 0.01; 0.05; and 0.1 mg L-1) combined with six concentrations of BAP (0.0; 0.1; 0.5; 1.0; 2.0; and 4.0 mg L-1) in assay 1; five concentrations of NAA (0.0; 0.1; 0.25; 0.5; and 1.0 mg L-1) in assay 2; two concentrations of NAA (0.0 and 0.01 mg L-1) combined with five concentrations of kinetin (0.0; 0.25; 0.5; 1.0; and 2.0 mg L-1) in assay 3; five concentrations of IAA...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lippia sidoides; Medicinal plant; Micropropagation; Growth regulator.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362008000200025

Growth analysis of Fafia in relation to the propagation method used
Provedor de dados: 75
Autores: May,André; Bovi,Odair A; Maia,Nilson B; Moraes,Andrea RA de; Pinheiro,Mariane Q.
A trial was carried out in Campinas, Brazil, from August 2005 to August 2006, in order to analyze the effect of two propagation methods (seeds and cuttings) on the development of Pfaffia glomerata (Spreng.) Pedersen. The experimental design was a completely randomized block, with five replications, and two methods of plant propagation. Plant height, aerial part dry mass and root dry mass were evaluated. Plants propagated from cuttings showed greater accumulation of dry mass on the aerial part. Root dry mass accumulation curves showed an exponential pattern, and at the end of the experimental period, the average of roots dry mass for both treatments were similar, up to 349,65 g plant-1.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pfaffia glomerata; Brazilian ginseng; Medicinal plant; Propagation.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362008000300016

Harvest time and plant age on the content and chemical composition of the essential oil of Alpinia zerumbet
Provedor de dados: 75
Autores: Santos,Martiely S; Jezler,Caroline N; Oliveira,Ariana RMF de; Oliveira,Rosilene A; Mielke,Marcelo S; Costa,Larissa CB.
Alpinia zerumbet is an aromatic and medicinal plant rich in essential oil, known as colônia. Essential oils are derived from secondary metabolism and may be a source of raw materials for cosmetic, pharmaceutical, food and perfumery industry. The plant secondary metabolism and biosynthetic activity can vary according to endogenous and exogenous factors to which it is exposed. In this context, in this study we evaluated the influence of harvest time and plant age of Alpinia zerumbet on biomass and essential oil production. For the harvest time experiment the plants of A. zerumbet were harvested at different times (8, 10, 12, 14, 16 and 18 h), using a completely randomized design with four replications. In the plant age experiment the seedlings were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Zingiberaceae; 'colônia'; Medicinal plant; GC analysis; Terpinen-4-ol.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000300005

Biomass production and essential oil of lemon balm cultivated under colored screens and nitrogen
Provedor de dados: 75
Autores: Alves,Aglair C; Jesus,Fábio N; Alves,Péricles B; Santos,Hamilton V; Souza,Girlene S; Santos,Anacleto R.
ABSTRACT The aim of this study was to evaluate the effect of light quality and nitrogen availability on the biomass production, yield and composition of essential oil of lemon balm (Lippia alba). Five doses of N (0; 40; 80; 120 and 160 kg ha-1) were studied, using urea and three light quality conditions obtained with the use of colored shading nets (blue and red), 50% irradiance and under full sun. The experiment was arranged in a 5x3 factorial scheme, in split plots, with seven replicates. After 60 days of cultivation under the shading nets, a higher dry leaf biomass (4.83 g per plant) was observed in the plants under blue net cultivation at a dose of 102 kg ha-1 of N. The plants grown under full sun presented greater amount of neral and geranial, major...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lippia alba; Shading nets; Nitrogen fertilization; Medicinal plant; Light quality.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000100094

Nitrogen sources on yield, mineral nutrition and bromatology of Cyclanthera pedate
Provedor de dados: 75
Autores: Valadares,Samuel V; Valadares,Rafael V; Costa,Candido A; Martins,Ernane R; Fernandes,Luiz A.
ABSTRACT Caygua fruits (Cyclanthera pedata) are used both in cooking and for medicinal purposes. However, few studies on this species, considered a non-conventional vegetable, can be found in literature. This study aimed to assess the responses of caygua crop to green manure and mineral nitrogen fertilization, in relation to marketable fruit productivity, nutrient content in leaves and fruits and bromatological composition. The study was carried out in a randomized block design with four treatments and five replicates: 1) control (without nitrogen); 2) 60 kg ha-1 nitrogen (urea form); 3) green manuring using Cajanus cajans and 4) green manuring using Crotalaria juncea. The plots consisted of three caygua lines with four plants per line (spacing 2x1 m). In...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cyclanthera pedata; Green manuring; Non-conventional vegetable; Medicinal plant.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362020000100078

Genetic diversity among natural populations of Mandevilla velutina
Provedor de dados: 75
Autores: Bertoni,Bianca Waléria; Souza,Ana Valéria de; Biondo,Ronaldo; França,Suzelei de C; Telles,Mariana PC; Pereira,Ana Maria S.
Mandevilla velutina (Mart. Ex Stadelm) Woodson (Apocynaceae) is an endemic species in the Cerrado (Brazilian Savannah), whose alcoholic extracts and root infusions are extensively used in the popular medicine to treat inflammatory diseases and against snake bites. Currently, this species has been pointed out as crucial in conservation programs. Therefore, studies on its genetic diversity, as well as the development of methodology for in vitro conservation in germplasm banks are imperative to avoid its extinction. The objective of this work was to investigate the intra- and inter-populational genetic variability of M. velutina to enhance the representativeness of germplasm banks. To this aim, we used RAPD molecular markers. The analysis of molecular...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mandevilla velutina; Medicinal plant; Extinction risk; Molecular markers.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362010000200012

Levantamento de plantas nativas da caatinga usadas em tratamentos de animais domésticos.
Provedor de dados: 14
Autores: TORRES, D. M.; INACIO NETO, A.
Avaliação do efeito de plantas nativas da caatinga usadas pela população da região para tratamento de doenças dos animais domésticos. O questionário foi aplicado em diversas propriedades agrícolas e feiras livres.
Tipo: Comunicado Técnico (INFOTECA-E)
Palavras-chave: Domestic animal; Disease; Medicinal plant; Verminosis; Treatment.; Caatinga; Animal Domestico; Planta Medicinal; Tratamento; Verminose.
Ano: 1993
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/133600

Ethnomedicinal plants used for snakebite treatments in Ethiopia: a comprehensive overview
Provedor de dados: 80
Autores: Yirgu,Abraham; Chippaux,Jean-Philippe.
Abstract Traditional medicine plays an important role in the daily lives of people living in rural parts of Ethiopia. Despite the fact that Ethiopia has a long history of using traditional medicinal plants as an alternative medicine source, there is no checklist compiling these plants used for snakebite treatment. This review collected and compiled available knowledge on and practical usage of such plants in the country. A literature review on medicinal plants used to treat snakebites was conducted from 67 journal articles, PhD dissertation and MSc theses available online. Data that summarize scientific and folk names, administration methods, plant portion used for treatment and method of preparation of recipes were organized and analyzed based on citation...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ethnobotany; Medicinal plant; Traditional treatment; Snakebite; Envenomation; Sub-Saharan Africa; Ethiopia.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992019000100205

Ternstroemia cameroonensis (Ternstroemiaceae), a new medicinally important species of montane tree, nearly extinct in the Highlands of Cameroon
Provedor de dados: 16
Autores: Cheek, M.; Tchiengue, B.; Tacham, W.N.
Ternstroemia cameroonensis sp. nov. (Ternstroemiaceae) is formally described from the Highlands of Cameroon and its conservation status is assessed as Critically Endangered using the IUCN 2012 standard. This is the third species of Ternstroemia known from Africa. The species is unusual in its genus in being monoecious, having Terminalia-branching (Aubreville’s model), phyllotaxy of 1/3 (not pseudo-verticillate), flowers with a uniseriate androecium and a distinct intra-staminal disc, and in the stamens lacking a distinct apicular connective. The species is used locally for extensive medicinal purposes.
Tipo: Article / Letter to the editor
Palavras-chave: Cloud Forest; Critically Endangered; Medicinal plant; Pentaphylacaceae; Theaceae.
Ano: 2017
URL: http://www.repository.naturalis.nl/record/626072

Water stress before harvest of pepper-rosmarin
Provedor de dados: 86
Autores: Alvarenga,Ivan Caldeira Almeida; Valadares,Rafael Vasconcelos; Martins,Ernane Ronie; Oliveira,Flávio Gonçalves; Figueiredo,Lourdes Silva de; Kobayashi,Mauro Koji.
The objective of this work was to assess the effect of different periods of water stress before harvest of pepper-rosmarin (Lippia sidoides) on the contents of essential oil and flavonoids. The experiment was carried out during 270 days of cultivation, with drainage lysimeters, in a completely randomized block design with five treatments: 0, 2, 4, 6, and 8 days of water suppression before harvest, with four replicates. Fresh and dry matter yield, essential oil content, total flavonoids content, and water potential and temperature of leaves were determined. There was a decrease of approximately 50% in oil content and of 60% in total flavonoid content with the reduction of leaf water potential in 0.3 MPa. Essential oil is more sensitive to water stress than...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lippia sidoides; Essential oil; Flavonoids; Leaf water potential; Medicinal plant; Water stress.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2011000700005

Yield and Composition of the Essential oil of Tetradenia riparia (Hochst) Codd (Lamiaceae) Cultivated Under Different Shading Levels
Provedor de dados: 87
Autores: ARAÚJO,L.L.N.; MELO,H.C.; PAULA,J.R.; ALVES,F.R.R.; PORTES,T.A.
ABSTRACT: Light has direct influence on growth and development by altering the morphophysiology of the plant and the content and composition of secondary metabolites. The present study aimed to evaluate the yield and composition of the essential oil of Tetradenia riparia cultivated under different shading levels. Plants were propagated by cuttings and cultivated either under full sunlight and in environment completely covered by black polyethylene sheeting to obtain shading levels of 30%, 50%, and 80%. Plants were grown under experimental conditions for 150 days. The essential oil was extracted from fresh leaves in triplicate for each treatment through steam distillation with a modified Clevenger apparatus. The components of the essential oil were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 14-hydroxy-9-epi-(E)-caryophyllene; Medicinal plant; Secondary metabolites; Shading levels.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100266

Intermittent drying of clove basil leaves: Process optimization and essential oil yield
Provedor de dados: 91
Autores: Souza,Raiane A. de; Melo,Evandro de C.; Ávila,Mariane B. R. de; Gonzaga,Diego A.; Sperotto,Naiara C. Z.; Carneiro,Antônio P. S.
ABSTRACT This study investigated the effect of a drying method with intermittent ratios on the effective drying time, specific energy consumption and essential oil yield of clove basil (Ocimum gratissimum L.) leaves. The drying tests were conducted at the Postharvest Laboratory of Medicinal, Aromatic and Condiment Plants, from the Departamento de Engenharia Agrícola of the Universidade Federal de Viçosa, Viçosa, MG, Brazil (20° 46’ 13.5” S; 42° 52’ 23.3” W, and altitude of 645 m) in October and November 2017. The experiment was conducted by using a 3 × 4 factorial scheme including three drying temperatures at 50, 60 and 70 °C, with four drying processes: continuous drying and the following three intermittent drying/tempering ratios in minutes: 10/20, 15/15...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ocimum gratissimum L.; Medicinal plant; Tempering time; Effective drying time; Specific energy consumption.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662020000300209

Essential oil production of lemongrass (Cymbopogon citratus) under organic compost containing sewage sludge
Provedor de dados: 91
Autores: d'Ávila,Júlia V.; Martinazzo,Ana P.; Santos,Fabiana S. dos; Teodoro,Carlos E. de S.; Portz,Adriano.
ABSTRACT One of the main urban polluting agents are the sewers, which even with proper treatment end up generating a polluting waste, the sewage sludge. One of the options for the disposal of this sludge is the use in agriculture, due to its high content of organic matter and nutrients. This study aimed to use urban sewage sludge for lemongrass cultivation and essential oil production. The plants were grown in soil containing different organic compost doses (0, 5, 10, 20, 40 and 60 t ha-1), formed from the sewage sludge composting process and waste of urban vegetation pruning. At harvest, plants were analyzed for the concentration of nutrients, chlorophyll content, number of tillers, biomass production, essential oil content and the microbiological quality...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Solid waste; Medicinal plant; Composting; Mineral nutrition.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000900811

Drying kinetics of blackberry leaves
Provedor de dados: 91
Autores: Martins,Elton A. S.; Goneli,André L. D.; Goncalves,Alexandre A.; Hartmann Filho,Cesar P.; Siqueira,Valdiney C.; Oba,Guilherme C.
ABSTRACT Blackberry leaves have some pharmacological properties and one of the most widespread and studied uses is to relieve symptoms of the climacteric and other symptoms during the premenstrual period. Thus, drying becomes important for the conservation and storage of the product until its use or processing. The present study aimed to evaluate the drying kinetics of blackberry leaves, as well as to determine the effective diffusion coefficient and the activation energy during the drying process. Blackberry leaves were dried in an experimental fixed-bed dryer under four controlled temperature conditions (40, 50, 60 and 70 °C) and two drying air speeds (0.4 and 0.8 m s-1). With the experimental data of moisture ratio, eight mathematical models were fitted...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morus nigra L.; Medicinal plant; Air speeds; Midilli model.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662018000800570

Influence of photoperiod on the accumulation of allantoin in comfrey plants
Provedor de dados: 93
Autores: CASTRO,ANA HORTÊNCIA FONSÊCA; YOUNG,MARIA CLÁUDIA MARX; ALVARENGA,AMAURI ALVES DE; ALVES,JOSÉ DONIZETI.
In order to evaluate the influence of photoperiod on the accumulation of allantoin in comfrey (Symphytum officinale L.), a well known medicinal plant, an experiment was conducted during July and August, 1998. Cuttings obtained from 90 day old plants were submitted to four photoperiods (8, 12, 16 and 20 hours). After 60 days, allantoin content in roots and rhizomes was evaluated. The results showed that increases in photoperiod promoted an increment in the average content of allantoin in roots (0.06%, 0.303%, 1.213% and 4.78%). On the other hand, in rhizomes, allantoin accumulation decreased (9.65%, 7.14%, 0.55%) when the photoperiod was increased from 8 to 12 and 16 hours, respectively, stabilizing on a 20-hour photoperiod (0.53%). Plants cultivated under...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: HPLC; Medicinal plant; Secondary metabolism; Symphytum officinale; Ureides.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-31312001000100006

Effects of temperature and pre-germinative treatments on seed germination of Talinum triangulare (Jacq. ) willd (Portulacaceae)
Provedor de dados: 95
Autores: Brasileiro,Beatriz Gonçalves; Dias,Denise Cunha F. S.; Casali,Vicente Wagner Dias; Bhering,Maria Carmen; Cecon,Paulo Roberto.
The objective of this study was to evaluate the effects of temperature, substrate and pre-germinative treatments on T. triangulare seeds. Four temperatures (constant 20, 25, 30 °C and alternate 20-30 °C) and two types of seeding (on paper and between paper), with light, were evaluated. The pre-germinative treatments evaluated included: immersion in water (24 hours), immersion in 6% hypochlorite solution (1 hour), immersion in 0.2% potassium nitrate solution (24 hours), immersion in 0.05% gibberellin solution (24 hours) and the control (untreated seeds). The highest germination percentage was observed at the alternate temperatures of 20-30 ºC, but with no significant difference between the substrates at this temperature. Soaking seeds in KNO3 gave the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Substrate; Germination; Dormancy; Medicinal plant.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222010000400017

Growth and volatiles in the micropropagation of Santa Maria herb
Provedor de dados: 124
Autores: Carvalho,Alexandre Alves de; Bertolucci,Suzan Kelly Vilela; Silva,Sâmia Torres; Pinto,José Eduardo Brasil Pereira.
ABSTRACT The aims of this study were to establish micropropagation for Chenopodium ambrosioides L. and analysis of volatile constituents in vitro as a function of different salt concentrations of MS medium and sucrose. The apical buds were established on MS medium added with 3% sucrose. The vegetative growth of nodal segments was tested in different salt concentrations of MS basic medium (0.25, 0.50, 1.00, 1.50, and 2.00) and of sucrose (5, 10, 20, 30, and 40 g L-1). Nodal and apical segments were tested in vertical and horizontal orientations. Different volumes of culture medium (20; 35, 50, 65, and 80 mL) were examined in the growth of nodal segments. Plants were acclimatized in three different substrates. The apical segments collected from matrices...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chenopodium ambrosioides L.; Medicinal plant; Tissue culture.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000400624

Tissue culture techniques in the proliferation of shoots and roots of Calendula officinalis
Provedor de dados: 124
Autores: Victório,Cristiane Pimentel; Lage,Celso Luiz Salgueiro; Sato,Alice.
The high demand for plant material from Calendula officinalis in the production of herbal medicines and cosmetics, turns the technique of plant-tissue culture into one of the alternatives for the improvement of crops over a short period of time. A protocol for tissue culture was developed from segments of seedlings of C. officinalis, in order to improve the proliferation of shoots and roots. We used a Murashige and Skoog (MS½N) medium, reduced to half the concentrations of NH4NO3 and KNO3 to verify the effect of different types of explants (basal, intermediate, and apical), a medium containing beach sand as support instead of agar, and the effect of auxins and cytokinins (TDZ tidiazuron; BAP, 6-benzylaminopurine, IAA, indol-3-acetic acid, IBA,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Shoots (Plants); Plant-tissue culture; Plant-growth regulators.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902012000300017

Cytokinins in the in vitro multiplication and analysis of the volatile fraction of Hyptis marrubioides
Provedor de dados: 124
Autores: Rodrigues,Mariane Aparecida; Bertolucci,Suzan Kelly Vilela; Alvarenga,Ivan Caldeira Almeida; Silva,Sâmia Torres; Carvalho,Alexandre Alves de; Pinto,José Eduardo Brasil Pereira.
ABSTRACT The aim of this study was to evaluate different concentrations of two cytokinins in the in vitro propagation of the medicinal plant Hyptis marrubioides Epl. and to analyse the volatile fraction of the compounds. Nodal segments of plants were inoculated onto Murashige and Skoog (MS) solid medium with different concentrations of benzylaminopurine (BAP) or tidiazuron (TDZ) under a 16/8 h light/dark cycle at 25 ± 2 °C. After 45 days growth, the plants were evaluated for the number and length of the shoots and for shoot dry matter. The volatile constituents were analysed by headspace-GC/MS. The greatest number of shoots was obtained with 1.0 mg L-1 TDZ in the MS medium. The greatest values ​​for shoot length and dry matter were obtained with BAP....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Growth regulators; Proliferation; Terpenes; Medicinal plant; Hyptis smarrubioides.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000100090

Standardized production of Phyllanthus tenellus Roxb. by plant tissue culture
Provedor de dados: 124
Autores: Victório,Cristiane Pimentel; Henriques,Anaize Borges; Tavares,Eliana Schwartz; Esquibel,Maria Apparecida; Lage,Celso Luiz Salgueiro.
Exigencies as ethic plant raw material are part of the needs of modern phytotherapy. Micropropagation offers opportunities to obtain mass propagation of superior genotypes in short time. This study aimed to develop a protocol of direct and indirect organogenesis of Phyllanthus tenellus Roxb. Nodal segments from plantlets obtained by in vitro germination were subcultured in modified Murashige and Skoog medium added with different plant growth regulators: IAA (indole-3-acetic acid), IBA (indole-3-butyric acid), GA3 (3-giberelic acid) and KIN (kinetin). The highest proliferation rate was obtained using the combinations: IBA, KIN + GA3 (3.5 mg L-1) and IBA + KIN (2.4 mg L-1). Rooting was intensified after 40 days, reaching 100% for all media with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Callus; Micropropagation; Medicinal plant.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902010000200015

Callus induction and bioactive phenolic compounds production from Byrsonima verbascifolia (L.) DC. (Malpighiaceae)
Provedor de dados: 124
Autores: Castro,Ana Hortência Fonsêca; Braga,Karina de Queiroz; Sousa,Fernanda Marinez de; Coimbra,Mairon César; Chagas,Rafael César Russo.
ABSTRACT This study developed a methodology for callus induction in leaf segments of B. verbascifolia and evaluated the bioactive phenolic compounds production. Leaf explants were cultured in MS medium with 30 g L-1 sucrose, solidified with 7 g L- 1 agar supplemented with 2,4-D (0; 4.52; 9.05; 18.10 µM) and BAP (0; 4.44; 8.88; 17.75 µM ) in the presence and absence of light. Forty-five days after inoculation we assessed the percentage of callus induction, color, consistency, fresh and dry matter, total phenols, flavonoids, tannins contents, and chromatographic profile by HPLC-DAD method. Callus induction occurred only in medium with growth regulators. Maximal induction (100%) was found in medium containing 2,4-D combined with BAP in the presence and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Medicinal plant; In vitro culture; Secondary metabolites.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902016000100143

Antiplatelet but not anticoagulant activity of Morinda citrifolia L. leaf extracts
Provedor de dados: 98
Autores: Ramírez Beltrán,Roberto; García Mir,Vivian; Armenteros Herrera,Dulce María; Quintela Pena,Ana María; Garcia-Mesa,Milagros.
Tipo: Journal article
Palavras-chave: Morinda citrifolia L; (Noni); Medicinal plant; Platelet aggregation; Blood coagulation; Flavonoid; Cuba.
Ano: 2015
URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1028-47962015000200008

Plants considered useful for hypoglycemic, antihypertensive or hypolipidemic treatments by patients with peripheral vascular diseases
Provedor de dados: 98
Autores: García-Lazo,Gertrudis; Lauzant-Diaz,Ela; Díaz Batista,Arquímedes; Garcia-Mesa,Milagros.
Tipo: Journal article
Palavras-chave: Medicinal plant; Herb medicine; Diabetes mellitus; Arterial hypertension; Dyslipidemia; Glucose; Cholesterol; Atherosclerosis; Atherothrombosis.
Ano: 2015
URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1028-47962015000100004

INFLUÊNCIA DA TEMPERATURA DO AR DE SECAGEM SOBRE A COMPOSIÇÃO QUÍMICA DO ÓLEO ESSENCIAL DE MELALEUCA
Provedor de dados: 107
Autores: Diana Rodrigues Herinque Lemos; Universidade Federal de Viçosa; Evandro de Castro Melo; Universidade Federal de Viçosa; Ronicely Pereira Rocha; Universidade Federal de Viçosa; Luiz Cláudio de Almeida Barbosa; Universidade Federal de Viçosa; Antonio Lelis Pinheiro; Universidade Federal de Viçosa.
Este trabalho visou avaliar a influência da temperatura do ar de secagem sobre a composição química do óleo essencial de Melaleuca alternifólia Cheel. Foram tomadas aleatoriamente três amostras de cada tratamento que foram analisadas ainda frescas, avaliando o teor de água e os constituintes químicos. Para a realização dos testes de secagem foram utilizadas amostras da planta triturada, utilizando um secador de leito fixo. As temperaturas do ar de secagem foram 40, 50, 60, 70 e 80°C. A identificação dos compostos foi feita empregando-se cromatografia em fase gasosa acoplada à espectrometria de massas. Os componentes majoritários do óleo essencial de melaleuca submetidos às temperaturas do ar de secagem de 40, 50, 60, 70 e 80 °C atendem dentro Padrão ISO...
Tipo: Artigo Avaliado por Pares
Palavras-chave: Armazenamento active substances; Chromatography; Medicinal plant; Tea tree.
Ano: 2012
URL: http://www.seer.ufv.br/seer/index.php/reveng/article/view/224

Population dynamics of Cyrtomon luridus Boheman (Coloptera: Curculionidae) on Duboisia sp. (Solanaceae) in Brazil
Provedor de dados: 63
Autores: Paulo,Tironi; von Treuenfels,Adrian; Parra,José Roberto Postali.
Cyrtomon luridus (Boheman) has adapted to the medicinal plant Duboisia sp., introduced from Australia. Its larvae feed on roots, causing up to 100% mortality damages. The population dynamics and biological cycle were studied to determine future control methods in Duboisia sp., in Arapongas, Paraná State, Brazil, from 1993 to 1996. C. luridus presented annual life cycle in Duboisia sp. under natural conditions. The larval development period was 120 to 150 days, from January to May, reaching an average size of 19.0 ± 2.0 mm in soil depth ranging on 24.9 ± 8.6 cm to 45.0 ± 10.0 cm. The beginning of the pupal phase happened in April. The larval-adult viability ranged on 7.5% to 19.6%. The typical symptoms of attack appeared in an infestation level of 60 larvae...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Microctonus; Biological cycle; Medicinal plant; Control; Longevity.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162005000500011

Biology of Microctonus sp. (Hymenoptera: Braconidae), a parasitoid of Cyrtomon luridus BOH. (Coleoptera: Ccurculionidae)
Provedor de dados: 63
Autores: Tironi,Paulo; von Treuenfels,Adrian; Parra,José Roberto Postali.
Cyrtomon luridus (Boh.), a native insect of wild Solanaceae, has adapted to the medicinal plant Duboisia sp., introduced from Australia, causing damages up to 100% mortality. Microctonus sp. is the most important natural enemy of C. luridus and its potential for biological control was investigated in this work. This study was carried out in Arapongas, Paraná State, Brazil, from 1994 to 1996. Parasitism of C. luridus by Microctonus sp. was highest from February through June (maximum of 54% in May 1996), when the C. luridus adult population was decreasing. The female sex ratio of Microctonus sp. under natural conditions was 0.57 to 0.69, which was close to 1 male : 2 female. Production of males occurs parthenogetically (arrhenotoky). In the laboratory,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological control; Parasitism; Medicinal plant; Duboisia.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000500012

Micropropagation, seed propagation and germplasm bank of Mandevilla velutina (Mart.) Woodson
Provedor de dados: 63
Autores: Biondo,Ronaldo; Souza,Ana Valéria; Bertoni,Bianca Waléria; Soares,Andreimar Martins; França,Suzelei Castro; Pereira,Ana Maria Soares.
Mandevilla velutina (Mart.) Woodson (Apocynaceae) is a medicinal plant species with antivenom properties, native from Brazilian Savanna regions (Cerrado), which due to overexploitation and habitat deforestation is in danger of extinction. As an initiative for conserving this endangered but economically important plant species, a micropropagation protocol was developed and genotypes were stored in the Germplasm Bank "Cerrado In vitro". For the in vitro propagation of M. velutina, nodal segments were inoculated on Murashige and Skoog (MS) medium supplemented with different concentrations of BA, Zeatin, 2ip, DTT and TDZ. Best multiplication ratio was achieved when to the medium 0.44 µM BA, ranging 1: 6.7, were added. Plantlets cultured on MS/2 medium...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apocynaceae; Cerrado; Medicinal plant.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162007000300008

Shade level effects on yield and chemical composition of the leaf essential oil of Pothomorphe umbellata (L.) Miquel
Provedor de dados: 63
Autores: Mattana,Raquel Souza; Vieira,Maria Aparecida Ribeiro; Marchese,José Abramo; Ming,Lin Chau; Marques,Márcia Ortiz Mayo.
Pothomorphe umbellata (L.) Miquel, is a medicinal species that belong to the Piperaceae family and commonly called "pariparoba" and "caapeba". It grows in regions rich in humus, humidity and under the shade of trees, which contribute for its best growth as it is considered a species sciophyte. The effect of shade on the yield and chemical composition of essential oil of Pothomorphe umbellata (Piperaceae) leaves was evaluated. Nine-month-old seedlings were planted in October 2002 and subjected to three shade levels (30%, 50%, 70%) and full sun; the experimental design was in randomized blocks, with four treatments and six replications, in split-plot in time scheme. Two harvests of aerial part were made (05/2003 and 05/2004). Essential oil was extracted by...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Piperaceae; Cultivation systems; Trans-nerolidol; Medicinal plant.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000400006

Evaluation of antinociceptive and anti-inflammatory activities of the topical preparation of Cipura paludosa (Iridaceae)
Provedor de dados: 36
Autores: Silva Neto,José Antônio Paixão da; Menezes,Larissa Dias; Gomes,Gúbio Oliveira; Cunha,Elise Marques Freire; Azevedo,Mariângela Soares de; Ferreira,Vania Moraes; Silva,Mônica Valero da.
Alho do mato (Cipura paludosa, Iridaceae) is a medicinal plant found in the Amazon rain forest, North of Brazil. It has been used to treat algic, inflammatory and infectious processes. The aim of this study was to evaluate the anti-inflammatory and antinociceptive action of the crude Cipura paludosa ethanolic extract at concentrations ranging between 2.0 and 4.0% in Oil and Water cream formulations for topical use. The physical-chemical stability of the formulations was monitored over a six-month period with the use of accelerated stability tests. In order to evaluate the anti-inflammatory and antinociceptive activities, we used a paw edema test induced by carrageenan and a formalin test, respectively. The paw edema test showed that there was a statistical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Oil and Water Cream; Medicinal plant; Paw edema test; Formalin test.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672014000200012

Valuation of the Aroeira (Myracrodruon urundeuva Allemão): perspectives on conservation
Provedor de dados: 39
Autores: Monteiro,Julio Marcelino; Araújo,Elcida de Lima; Amorim,Elba Lúcia Cavalcanti; Albuquerque,Ulysses Paulino de.
Assigning an economic value to a given environmental asset has helped conservation proposals, and valuing these assets at levels comparable to market rates facilitates the establishment of environmental policies. Thus, this research aimed to assess the value of the species Myracrodruon urundeuva Allemão, using the method of contingent valuation to determine the maximum willingness to pay of frequent visitors to the Caruaru Fair, located in northeastern Brazil. Our results show that most interviewees agreed to participate in proposals to support species conservation, although the average willingness to pay (WTP) was relatively low compared to other surveys conducted in Brazil. However, a significant number of the interviewees had exceptionally low monthly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Contingent valuation; Caatinga; Medicinal plant.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062012000100014

Phosphorus nutrition in the growth of Bauhinia forficata L. seedlings - DOI: 10.4025/actasciagron.v30i5.787
Provedor de dados: 1
Autores: Brondani, Gilvano Ebling; Esalq/USP; Silva, Ariadne Josiane Castoldi; UFPR; Araujo, Marla Alessandra de; UFPR; Grossi, Fernando; UFPR; Wendling, Ivar; Embrapa; Carpanezzi, Antonio Aparecido; Embrapa.
One of the greatest problems in the elaboration of forestation programs using native species is the lack of knowledge about seedling production. This study aimed to evaluate the growth of Bauhinia forficate seedlings submitted to phosphorus levels. Eleven-day-old seedlings were transplanted to small tubettes (110 cm3) with pinus bark and vermiculite substratum base. The experiment was conducted in an entirely randomized delineation, with six P treatments: T0-control (substratum without P addition), T1-50, T2-100, T3-150, T4-200 and T5-250 mg dm-3, with five replications and 20 seedlings per replication. After 60 days, the seedlings presented a 98.2% survival rate and good root formation. The height varied in function of P levels, with maximum production up...
Palavras-chave: 5.01.03.00-8 Fitotecnia produção de mudas; Adubação; Doses de P; Espécie nativa da América do Sul; Fabaceae; Planta medicinal Produção de Mudas seedling production; Fertilization; P levels; South America native species; Fabaceae; Medicinal plant.
Ano: 2008
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/787

Teor e composição química do óleo essencial de Melissa officinalis L. in vitro sob influência do meio de cultura - DOI: 10.4025/actasciagron.v31i2.765
Provedor de dados: 1
Autores: Reis, Érika Soares; IFMG; Pinto, José Eduardo Brasil Pereira; UFLA; Rosado, Luciana Domiciano Silva; UFLA; Corrêa, Ricardo Monteiro; IFMG.
Com o objetivo de avaliar o efeito do meio de cultura no teor e composição química do óleo essencial de Melissa officinalis, foi realizado o presente trabalho, que avaliaram três concentrações do meio de cultura MS. O experimento foi implantado em delineamento inteiramente casualizado, com sete repetições, e cada repetição foi representada por uma amostra de 20 g de plântulas frescas. A extração do óleo foi realizada em aparelho de Clevenger modificado com duração de 1h e 30 min. e a análise química foi realizada por cromatografia gasosa. Observou-se que o teor e a composição química do óleo essencial de M. officinalis foram influenciados pela concentração de sais do meio MS. As plântulas que se desenvolveram nos meios MS e MS/4 apresentaram maior teor de...
Palavras-chave: 5.01.00.00-9 Agronomia Melissa officinalis; Planta medicinal; Óleo essencial; Cultura de tecidos Fitotecnia Melissa officinalis; Medicinal plant; Essential oil; Tissue culture.
Ano: 2009
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/765

Chemical diversity of accessions of the in vivo germplasm bank of Varronia curassavica (Jacq.)
Provedor de dados: 1
Autores: Queiroz, Túlio Barroso; Fonseca, Francine Souza Alves da; Mendes, Aretusa Daniela Resende; Azevedo, Alcinei Mistico; Martins, Ernane Ronie.
Varronia curassavica (Jacq.) is a shrub and perennial plant native to Brazil that has therapeutic, anti-inflammatory and cicatrizing properties. The objective of this work was to study the chemical diversity of the native populations of this species maintained in the in vivo germplasm bank from Montes Claros, Minas Gerais, Brazil. The essential oils of 10 accessions analyzed in triplicate were obtained by hydrodistillation. Fifty-five compounds were detected, 46 of which were identified by GC-MS analysis. Essential oil yield ranged from 0.1 (VC-9) to 1.22% (VC-3) among the studied accessions. Three groups were formed by cluster analysis. Group A presented lower relative abundance of the compounds α-humulene (1.4%) and β-caryophyllene (8.5%). Conversely, in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Essential oil; Medicinal plant; Chemotype; Α-humulene; Β-caryophyllene.
Ano: 2019
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42726

Genetic diversity of Lippia rotundifolia Cham. in Minas Gerais, Brazil
Provedor de dados: 3
Autores: Meira, Messulan Rodrigues; Martins, Ernane Ronie; Resende, Luciane Vilela.
Lippia rotundifolia is an aromatic species, endemic from Campos rupestres and isolated by mountains. We aimed with the research to study the genetic variability of chá-de-pedestre (Lippia rotundifolia Cham.) with natural occurrence in ten places of the State of Minas Gerais, from molecular markers of ISSR type. The places of collection were: Parque Estadual de Serra Nova; Parque Estadual Veredas do Peruaçu; Abóboras community; Gigante community; edge of Rio do Peixe; environmental preservation area of Olhos d´água; private property in Joaquim Felício; Parque Estadual do Rio Preto; São Gonçalo do Rio das Pedras and brook of Rio Tigre. After the establishment of the extraction and amplification of DNA fragments with primers ISSR, an array of genetic distance...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 2.02.03.00-4 pedestrian tea; Genetic variability; Medicinal plant; Conservation Genética Vegetal.
Ano: 2019
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/42754

Leaf anatomy of Cordiera sessilis (Vell.) Kuntze (RUBIACEAE)
Provedor de dados: 3
Autores: Teixeira, Thaiz Rodrigues; Pádua, Marlúcia Souza; Castro, Ana Hortência Fonsêca.
A study on the leaf anatomy of Cordiera sessilis (Rubiaceae), a native medicinal shrub from Brazilian Cerrado was carried out to contribute for species identification and provide support for future biochemical studies and medicinal application. Leaves were collected, fixed and processed by usual techniques, and studied by light and electron microscopy. Quantitative analyzes of stomata and trichomes were performed. The leaves showed typical characteristics of Rubiaceae family, like hypostomatic leaves, paracytic stomata, dorsiventral mesophyll and collateral bundles. Two types of vascular patterns were identified in the petiole: in distal part, the vascular system is arranged cylindrically surrounded by sclerenchyma sheath and in proximal part, the vascular...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 2.03.00.00-0 e 2.03.02.03-7 Marmelinho; Plant anatomy; Histochemical tests; Cerrado; Medicinal plant Botânica “Marmelinho”; Plant anatomy; Histochemical tests; Cerrado; Medicinal plant.
Ano: 2016
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/29902

Polysaccharide extract of Mimosa tenuiflora stem barks stimulates acute inflammatory response via nitric oxide
Provedor de dados: 3
Autores: Silva-Leite, Kaira Emanuella Sales da; Queiroz, Cinthia Silva; Madeira, Juliana da Costa; Soares, Pedro Marcos Gomes; Pereira, Maria Gonçalves; Assreuy, Ana Maria Sampaio.
Mimosa tenuiflora (Mimosaceae) or “jurema-preta” is well distributed in the northeast Brazil, being popularly used to treat skin lesions, burns and inflammation. The healing effect of the alcoholic extract prepared with its barks corroborates the popular use. This study aimed to evaluate the inflammatory response of polysaccharides extracted from M. tenuiflora barks (EP-Mt) by methanol/NaOH and ethanol precipitation. Inflammatory activity was assessed in rat models of acute inflammation (paw edema and peritonitis), by the following parameters: edema, vascular permeability, leukocyte migration, myeloperoxidase activity and pharmacological modulation of nitric oxide and prostaglandins. EP-Mt presented 3.8% yield, 41% carbohydrate and 0.34% protein. EP-Mt...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 2.00.00.00-6 e 2.10.00.00-0 Mimosaceae; Medicinal plant; Carbohydrate; Inflammation 2.10.06.00-8.
Ano: 2016
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/32234

Antibacterial effects of Thymus algeriensis extracts on some pathogenic bacteria
Provedor de dados: 3
Autores: Messaoudi, Mohammed; Benreguieg, Mokhtar; Merah, Maroua; Messaoudi, Zakarya Ayoub.
Despite the presence of many antibiotics, bacterial resistance is growing steadily and some of these antibiotics have become ineffective, which poses a major challenge to the health sector. In this context, this work has demonstrated, in vitro, the inhibitory action of the bacterial growth resulting from methanolic and ethanolic extracts of Thymus algeriensis Boiss. &amp;amp; Reut., a medicinal plant species harvested from the Algerian South-west area, as well as the determination of the phenolic content of those crude extracts. The methanolic extract of Thymus algeriensis showed a significant antibacterial effect with 16.5 and 19 mm against Pseudomonas aeruginosa and Staphylococcus aureus, respectively. Klebsiella pneumoniae was not inhibited by both...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antibacterial effect; Extracts; Medicinal plant; Phenolic content; Thymus algeriensis.
Ano: 2019
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/48548

In vitro germination, callus induction and phenolic compounds contents from Pyrostegia venusta (Ker Gawl.) Miers
Provedor de dados: 3
Autores: Braga, Karina de Queiroz; Coimbra, Mairon César; Castro, Ana Hortência Fonsêca.
A protocol for the in vitro germination and callus induction in Pyrostegia venusta, a medicinal plant species from the Brazilian savannah (Cerrado) is provided. The establishment of cultures of P. venusta was originally obtained from seeds germinated in vitro and induced callus directly from leaf explants of seedlings. Seeds were germinated on MS and WPM media containing 100 and 50% of salt concentration, supplemented with 30 g L-1 sucrose. Callus induction consisted of the inoculation of leaf segments on MS medium plus 2,4-D or BAP in the presence or absence of light. The germination percentage averaged 85% and the aerial parts and roots of seedlings obtained in WPM with 50 and 100% of salt concentration showed elevated contents of total phenolic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 2.00.00.00-6; 2.03.00.00-0 seeds; Auxin; Cytokinin; Medicinal plant; Flavonoids 2.03.03.00-9.
Ano: 2015
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/26067

Active phloem sap collection by Trigona spinipes (Fabricius) (Hymenoptera, Apidae) in Artemisia annua Linn (Asteraceae)
Provedor de dados: 3
Autores: Malagodi-Braga, Kátia Sampaio; Moriconi, Waldemore; Queiroga, Joel Leandro de; Urchei, Mário Artemio; Pazianotto, Ricardo Antônio Almeida; Roncon, Kenny.
Trigona spinipes Fabricius (Apidae: Meliponini), is a common stingless bee widely seen in urban and rural areas in Brazil, popularly known as irapuá, arapuá or bee-dog. Although these bees are considered pollinators of some cultivated plants, they are better known for the damage they cause in different crops. During experimental agroecological cultivation of Artemisia (Artemisia annua Linn, Asteraceae), in Jaguariúna (SP, Brazil), stingless bees Trigona spinipes (Fabricius) were observed sucking phloem sap directly from the plant, a phenomenon not yet described in scientific literature. This study aimed to register and describe the phloem sap-sucking behavior performed by T. spinipes for the first time, as well as to assess the potential impact of this...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Insect behavior; Plant injury; Stingless bee  Farming.
Ano: 2019
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/47548

Moisture content on some engineering properties of celery (Apium Graveolens L) seeds
Provedor de dados: 111
Autores: Mirzabe, Amir Hossein; Taheri, Mojtaba; Pouyesh, Alireza; Bahrami Bavani, Neda.
The study was conducted to investigate some physical properties of celery seed at various moisture levels.  The average length, width, thickness and 1000-seeds mass were 0.571, 0.429, 0.295 mm and 0.792 g, respectively, at moisture content of 5.24% (d.b).  Length, width and thickness distributions of the seeds were modeled using Generalized Extreme Value, lognormal and Weibull distributions.  Results showed that to model length of the seeds, lognormal distribution had the best performance while to model the width of the seeds Weibull distribution had the best performance.  True density has increase from 892.02 to 931.42 kg/m3 when the moisture content increased from 5.24% to 20.25% (d.b).  The angle of static friction increased from 28.45 to 39.66°, 25.15...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Image processing technique; Dimensional properties; Modeling; Gravimetrical properties; Medicinal plant.
Ano: 2016
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3559

Assessment of the cytotoxic, genotoxic, and antigenotoxic activities ofCeltis iguanaea (Jacq.) in mice
Provedor de dados: 42
Autores: BORGES,FLAVIO F.V.; MACHADO,THIAGO C.; CUNHA,KÊNYA S.; PEREIRA,KARLA C.; COSTA,ELSON A.; PAULA,JOSÉ R. DE; CHEN-CHEN,LEE.
Ethnobotanical surveys of Cerrado native plants show that leaves of Celtis iguanaea (Jacq.) Sargent (Cannabaceae), popularly known in Brazil as “esporão de galo”, are used in folk medicine for body pain, asthma, cramps, poor digestion, urinary infection, kidney dysfunctions, as well as a stimulant and diuretic. This work aimed at evaluating possible C. iguanaea aqueous leaf extract (CALE) cytotoxicity, genotoxicity, and antigenotoxicity using the mouse bone marrow micronucleous test. To assess CALE genotoxicity, Swiss mice were orally treated with three different extract concentrations (100, 300, and 500 mgkg−1). To evaluate its antigenotoxicity, the same doses were used simultaneously with a single i.p. dose of mitomycin C (MMC, 4mg.kg−1). The frequencies...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cytotoxicity; Genotoxicity; Mice; Medicinal plant.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000300955

Chemical diversity of the volatiles of Lippia rotundifolia Cham. (Verbenaceae) in Minas Gerais, Brazil
Provedor de dados: 42
Autores: MEIRA,MESSULAN R.; MARTINS,ERNANE R.; FONSECA,FRANCINE S.A. DA.
Lippia rotundifolia is an aromatic species, native and endemic to rocky fields, which are isolated by small mountains. It is little known about their chemical composition. Because of that we aimed to study the chemical diversity of volatiles released from rosemary leaves (Lippia rotundifolia Cham.) coming from 11 populations of the Minas Gerais, Brazil. The material for chemical analysis was obtained from the accessions in the active germplasm bank of the Instituto de Ciências agrárias of the Universidade Federal de Minas Gerais. A total of 67 compounds were detected by HS-CG-MS. Most volatiles were detected in the São Gonçalo do Rio das Pedras accession, with 40 compounds, whereas in the Santana do Riacho accession only 5 compounds were detected....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chemical variability; Medicinal plant; Rosemary; Static headspace.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000100618

Improvement of friable callus production of Boerhaavia paniculata Rich and the investigation of its lipid profile by GC/MS
Provedor de dados: 42
Autores: SOUZA,JOANNE M.M.; BERKOV,STRAHILL; SANTOS,ALBERDAN S.
In this study, a protocol to induce high amount of friable callus of Boerhaavia paniculata RICH and a lipidomics technique were applied to investigate the profile of lipids to relate to those present in the roots of this plant that presented anti-inflammatory activity in the crude hexane extract. The callus culture was induced from seeds in solidified Murashige and Skoog medium containing different amounts of glucose and different concentrations of 2,4-Dichlorophenoxyacetic acid. The explants were kept in a germination chamber at 30±2°C with a photoperiod of 16 h under light intensity of 27 µmol m–2 s–1 for 4 weeks. The best results for friable callus formation and development of the biomass were obtained in the treatment containing 2.26 µM 2.4-D and...
Palavras-chave: Anti-inflammatory lipids; Boerhaavia paniculata; Callus culture; Lipid profile; Medicinal plant.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000301015

Alterations in the mitotic index of Allium cepa induced by infusions of Pluchea sagittalis submitted to three different cultivation systems
Provedor de dados: 42
Autores: Rossato,Liana V.; Tedesco,Solange B.; Laughinghouse IV,Haywood D.; Farias,Júlia G.; Nicoloso,Fernando T.
We evaluated the antiproliferative effect of infusions from Pluchea sagittalis using the Allium cepa test. Infusions in three concentrations (2.5, 5, and 25 g dm-3) of leaves cultivated in three environments (in vitro, acclimatized growth chamber, and field) were used. Six onion bulbs were used for each of the eight treatments, and the mitotic index was obtained from 6000 cells per treatment. In conclusion, leaf infusions of P. sagittalis cultivated in the field have a high antiproliferative activity, as well as the cultivation system influences the antiproliferative potential.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antiproliferative effect; Camphorweed; Cell cycle; Medicinal plant; Mutagenicity.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000400007

In vivo assessment of cyto/genotoxic, antigenotoxic and antifungal potential of Costus spiralis (Jacq.) Roscoe leaves and stems
Provedor de dados: 42
Autores: SOUSA,WENDEL C. DE; T.S. PAZ,ANDRESSA; ROCHA,JAMIRA D.; CONCEIÇÃO,EDEMILSON C. DA; ALMEIDA,LUCIANE M. DE; CHEN,LEE C.; BORGES,LEONARDO L.; BAILÃO,ELISA F.L.C.
ABSTRACT Costus spiralis is a Brazilian native plant used in popular medicine, but the safety of this therapeutic use needs investigation. So, the aim of this study was to evaluate the cytogenotoxic and antigenotoxic effects of C. spiralis leaves or stems aqueous extracts on Allium cepa root cells. Moreover, a phytochemical screening and an antioxidant and antifungal activities evaluation were performed. C. spiralis aqueous extracts presented cytotoxicity, but no mutagenicity was observed. When the antigenotoxicity was evaluated, C. spiralis leaves aqueous extract presented preventive and modulatory effects on A. cepa root cells, reducing the sodium azide cytogenotoxic effects. In contrast, C. spiralis stems aqueous extract enhanced the sodium azide...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allium cepa test; Antioxidant; Medicinal plant; Secondary metabolites.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000401565

The effects of Cyclosporin A and Heteropterys tomentosaon the rat liver
Provedor de dados: 42
Autores: Freitas,Karine M. de; Almeida,Jacqueline M.; Monteiro,Juliana C.; Diamante,Maria Aparecida S.; Vale,Jéssica S.F. do; Camargo,Camila; Jorge,Marçal H.A.; Dolder,Heidi.
Cyclosporin A (CsA) is a widely employed immunosuppressive drug that is associated with several side effects, among then hepatotoxicity. Heteropterys tomentosais a Brazilian plant efficient in reducing damage caused by CsA on the rat testis and prostate. The aim of this study was to evaluate the effect of CsA and H. tomentosa(administered isolated or simultaneously) on the liver of Wistar rats. The animals were treated daily with water (control), CsA (15mg/kg/day), H. tomentosainfusion or CsA+H. tomentosa, for 21 or 56 days. The treatments did not alter liver morphology or cause fibrosis. H. tomentosaadministered for 21 days increased the number of hepatocyte nuclei and Kupffer cell volumetric proportion. After 56 days of treatment, H....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatotoxicity; Heteropterys aphrodisiaca; Medicinal plant; Phytotherapy; Hepatotoxicidade; Heteropterys aphro disiaca; Planta medicinal; Fitoterapia.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000100369

Bark Harvesting Systems of Drimys brasiliensis Miers in the Brazilian Atlantic Rainforest
Provedor de dados: 42
Autores: MARIOT,ALEXANDRE; MANTOVANI,ADELAR; REIS,MAURÍCIO S. DOS.
Drimys brasiliensis Miers, locally known as cataia or casca-de-anta, is a native tree species of the Atlantic Rainforest. Its bark is harvested from natural populations. This study examined the recovery capacity of the bark of D. brasiliensis under different bark harvesting methods, as well as the influence of these approaches on its population dynamics and reproductive biology. While none of these treatments resulted in changes in phenological behavior or the rate of increase of diameter at breast height and tree height, the removal of wider bark strips resulted in lower rates of bark recovery and higher rates of insect attack and diseases. Accordingly, the results recommend using strips of bark 2 cm wide and 2 m long, with 4 cm between strips, for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bark harvesting; Medicinal plant; Sustainable management; Drimys brasiliensis; Insect attack.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000301315

Action of Aqueous Extracts of Phyllanthus niruri L. (Euphorbiaceae) leaves on Meristematic Root Cells of Allium cepa L.
Provedor de dados: 42
Autores: NEVES,ERASMOVLANE S.B.; FERREIRA,PAULO MICHEL PINHEIRO; LIMA,LEONARDO H.G.M.; PERON,ANA PAULA.
This study aimed to evaluate the effects of aqueous extracts of dried Phyllanthus niruri L. (stonebreaker) leaves on Allium cepa L. root meristem cells at four concentrations, 0.02 (usual concentration), 0.04, 0.06 and 0.08mg/mL and exposure times of 24 and 48 hours. For each concentration we used a group of five onion bulbs that were first embedded in distilled water and then transferred to their respective concentrations. The radicles were collected and fixed in acetic acid (3:1) for 24 hours. The slides were prepared by the crushing technique and stained with 2% acetic orcein. Cells were analyzed throughout the cell cycle, totaling 5000 for each control and exposure time. The calculated mitotic indices were subjected to the Chi-squared statistical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Stonebreaker; Cell division; Cellular aberrations; Allium cepa.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000301131

Antiproliferative action of aqueous extracts of Hymenaea stigonocarpa Mart. (Fabaceae) on the cell cycle of Allium cepa L.
Provedor de dados: 42
Autores: LACERDA,LOURRAN P.; MALAQUIAS,GEIZ; PERON,ANA PAULA.
In this study we evaluated the action of crude aqueous extracts obtained from rhytidome of Hymenaea stigonocarpa (jatobá-do-cerrado) on Allium cepa meristematic root cells in three concentrations: 0.082, 0.164, 0.328g/mL, at exposure times of 24 and 48 h. The slides were prepared by the crushing technique, and cells analyzed throughout the cell cycle, totaling 5000 for each control group and concentration. It was found that all three concentrations, including the lowest which is considered ideal for use, in all exposure times, had significant antiproliferative action on the cell cycle of this test system. For cells under division, we observed a high number of cells in prophase. Therefore, under the conditions studied H. stigonocarpa indicated to be...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allium cepa; Cellular division; Cells in prophase; Medicinal plant.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000301147

Antifungal activities of the essential oil and its fractions rich in sesquiterpenes from leaves of Casearia sylvestris Sw.
Provedor de dados: 42
Autores: PEREIRA,FLAVIANE G.; MARQUETE,RONALDO; DOMINGOS,LEVY T.; ROCHA,MARCO E.N.; FERREIRA-PEREIRA,ANTONIO; MANSUR,ELISABETH; MOREIRA,DAVYSON L.
ABSTRACT Casearia genus (Salicaceae) is found in sub-tropical and tropical regions of the world and comprises about 160-200 species. It is a medicinal plant used in South America, also known as “guaçatonga”, “erva-de-tiú”, “cafezinho-do-mato”. In Brazil, there are about 48 species and 12 are registered in the State of Rio de Janeiro, including Casearia sylvestris Sw. There are many studies related to the chemical profile and cytotoxic activities of extracts from these plants, although few studies about the antifungal potential of the essential oil have been reported. In this work, we have studied the antifungal properties of the essential oil of C. sylvestris leaves, as well as of their fractions, against four yeasts (Saccharomyces cerevisae, Candida...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Candida sp.; Casearia genus; Essential oil; Medicinal plant; Saccharomyces cerevisae.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000602817

Plant growth, nutrients and potentially toxic elements in leaves of yerba mate clones in response to phosphorus in acid soils
Provedor de dados: 42
Autores: BARBOSA,JULIERME Z.; MOTTA,ANTONIO C. V.; CONSALTER,RANGEL; POGGERE,GIOVANA C.; SANTIN,DELMAR; WENDLING,IVAR.
ABSTRACT Native to subtropical region of South America, yerba mate is responsive to P under some conditions, but the degree of influence of genetic and soil on the growth and composition of the leaf is unknown. The aim of study was to evaluate plant growth, nutrients and potentially toxic elements in leaves of yerba mate clones in response to P application in acid soils. In greenhouse condition, two yerba mate clone seedlings were grown (210 days) in pots, each clone in a completely randomized design in factorial scheme (with and without P; four acid soils). The elemental composition of leaves and the growth of plants were determined. Phosphorus promoted plant growth, but this was not accompanied by increased P in leaf tissue in all conditions tested. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ilex paraguariensis St.Hil; Medicinal plant; Metal accumulation; Soil fertility; Trace elements.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000100557

Evaluation of wound healing and antimicrobial properties of aqueous extract from Bowdichia virgilioides stem barks in mice
Provedor de dados: 42
Autores: AGRA,ISABELA K.R.; PIRES,LUANA L.S.; CARVALHO,PAULO S.M.; SILVA-FILHO,EURÍPEDES A.; SMANIOTTO,SALETE; BARRETO,EMILIANO.
The decoction of the stem barks from Bowdichia virgilioides KUNTH is a folk remedy used to treat inflammatory disorders in Latin American and Brazil. In the present study, the wound healing activity of aqueous extract of the stem bark from B. virgilioides, called AEBv, was evaluated by the rate of healing by wound contraction and period of epithelization at different days post-wound using the wound excisional model. On day 9, the AEBv-treated animals exhibited significative reduction in the wound area when compared with controls. In wound infected with S. aureus, the AEBv significantly improved the wound contraction when compared to the saline-treated mice. The histological analysis showed that AEBv induced a collagen deposition, increase in the fibroblast...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Wound healing; Antimicrobial effect; Bowdichia virgilioides; Medicinal plant.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000300945

Antiproliferative and genotoxic effects of Mikania glomerata (Asteraceae)
Provedor de dados: 47
Autores: Dalla Nora,Gracieli; Pastori,Tamara; Dail Laughinghouse IV,Haywood; Do Canto-Dorow,Thais Scotti; Bosio Tedesco,Solange.
Mikania glomerata is a plant used in Brazilian traditional medicine, known as &amp;#8216;guaco'. It possesses anti-inflammatory properties and the aqueous extracts of its leaves are indicated for the treatment of diseases of the respiratory tract. This study aimed at evaluating the antiproliferative and genotoxic effect of Mikania glomerata leaf infusions on the cell cycle of onion. The material used was collected in the native environment from Rio Grande do Sul State, Brazil. Aqueous extracts through infusions were prepared in two concentrations: 4g/L (usual concentration) and 16g/L (4x more concentrated) of each of the populations. Two groups of four onion bulbs for each plant population were used plus a control group. The rootlets were fixed in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Allium cepa test; Chromosomal aberration.
Ano: 2010
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452010000300001

The foliar trichomes of Hypoestes aristata (Vahl) Sol. ex Roem. &amp;amp; Schult var aristata (Acanthaceae) a widespread medicinal plant species in tropical sub-Saharan Africa: with comments on its possible phylogenetic significance
Provedor de dados: 48
Autores: Bhatt,A; Naidoo,Y; Nicholas,A.
The micromorphology of foliar trichomes of Hypoestes aristata var. aristata was studied using stereo, light and scanning microscopy (SEM). This genus belongs to the advanced angiosperm family Acanthaceae, for which few micromorphological leaf studies exist. Results revealed both glandular and non-glandular trichomes, the latter being more abundant on leaf veins, particularly on the abaxial surface of very young leaves. With leaf maturity, the density of non-glandular trichomes decreased. Glandular trichomes were rare and of two types: long-stalked capitate and globose-like peltate trichomes. Capitate trichomes were observed only on the abaxial leaf surface, while peltate trichomes were distributed on both adaxial and abaxial leaf surfaces.
Tipo: Journal article
Palavras-chave: Acanthaceae; Glandular trichomes; Hypoestes aristata var. aristata; Medicinal plant; Scanning electron microscope.
Ano: 2010
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602010000400004

Antiulcerogenic activity of Indigofera truxillensis Kunth
Provedor de dados: 49
Autores: Cola-Miranda,Maira; Barbastefano,Victor; Hiruma-Lima,Clélia Akiko; Calvo,Tamara Regina; Vilegas,Wagner; Brito,Alba Regina Monteiro Souza.
The genus Indigofera (Fabaceae) is used in folk medicine to treat gastrointestinal pain. In this study, we investigated the antiulcerogenic properties of Indigofera truxillensis Kunth. Oral administration of MeOH extract did not produce any signals of acute toxicity. The antiulcerogenic activity was assessed in different models of acute gastric ulcers (100% ethanol, piroxicam 30 mg.kg-1, hypothermic restraint stress and pylorus ligature) in mice and rats. The animals were treated with the drugs lanzoprazole (30 mg.kg-1) or cimetidine (100 mg.kg-1) as positive controls depending on the performed model. In another experiment with ethanol-induced ulcers in rats, N-ethylmaleimide (NEM), a sulfhydryl group blocker, was also used. The MeOH extract, at doses of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antiulcerogenic activity; Fabaceae; Indigofera truxillensis Kunth; Medicinal plant; Phenolic compounds.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000300004

Importance of anatomical leaf-blade features for the characterization of medicinal Commelinaceae in the Rio de la Plata area (Argentina)
Provedor de dados: 51
Autores: Novoa,María C; Arambarri,Ana M.
In this paper we examine the leaf-blade anatomy of: Commelina erecta L. var. erecta f. erecta, Tradescantia fluminensis Vell., Tripogandra diuretica (Mart.) Handlos, and T. glandulosa (Seub.) Rohweder. These species grow in the coastal region of the Río de la Plata (Argentina) where they are used as ophthalmic, diuretic, antirheumatic, sudorific, and digestive. The aim of this study was to establish diagnostic features in order to deepen knowledge of these medicinal species and thus, get a valuable tool to establish their botanical identity. The leaves were prepared according to usual methods for light and scanning electron microscopes. Histochemical techniques to identify starch, lipophilic substances, mucilage, tannins, and oxalate salts were performed....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Commelina; Leaf-blade; Medicinal plant; Tradescantia; Tripogandra.
Ano: 2016
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722016000300002

Piper gaudichaudianum Kunth: Seasonal Characterization of the Essential Oil Chemical Composition of Leaves and Reproductive Organs
Provedor de dados: 52
Autores: Schindler,Bianca; Heinzmann,Berta Maria.
ABSTRACT This study describes a comparative analysis of the essential oil (EO) chemical composition of leaves and reproductive organs (inflorescences and fruits) of Piper gaudichaudianum during the seasons of a year in order to determine the best collection time and the most suitable plant organ to obtain this extractive. The chemical composition of EO obtained from fresh leaves was compared to the dried ones, to verify if the drying process interferes in the extractive quality. The leaves were collected from a native population of Santa Maria, RS, Brazil, twice in each season, in triplicate, while inflorescences and fruits were sampled when they were present. The EO was obtained by hydrodistillation of the different plant organs for 3 h. The 20 EO samples...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pariparoba; Plant extraction; Medicinal plant; Post-harvest processing.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100603

Plant regeneration through somatic embryogenesis of yacón [smallanthus sonchifolius (poepp. and endl.) H. Robinson]
Provedor de dados: 52
Autores: Corrêa,Cynthia Manyra; Oliveira,Graciele Nicolodi de; Astarita,Leandro Vieira; Santarém,Eliane Romanato.
Smallanthus sonchifolius has tuberous roots containing large amounts of fructo-oligosaccharides and its medicinal use has increased due to the hypoglycemic properties reported for this species. An efficient system for propagation via somatic embryogenesis is reported using petiole segments cultivated on MS medium supplemented with combinations of BA, kinetin and 2,4-D, under light and darkness conditions. Embryogenic callus was formed in most of the treatments; however, somatic embryogenesis was promoted by the presence of light. Clusters of somatic embryos appeared on callus surface after 50 days of culture. The highest number of embryos was produced on 0.45 µM BA and 4.5 µM 2,4-D. Embryogenic calli were maintained on MS medium containing 4.5 µM BA and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Tissue culture; Polymnia sonchifolia; Micropropagation.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000300005

Somatic embryogenesis and plant regeneration in Wedelia calendulacea Less. an endangered medicinal plant
Provedor de dados: 52
Autores: Sharmin,Shamima Akhtar; Alam,Md. Jahangir; Sheikh,Md. Mominul Islam; Sarker,Kanak Kanti; Khalekuzzaman,Muhammad; Haque,Md. Anwarul; Alam,Mohammad Firoz; Alam,Iftekhar.
In this work, plant regeneration via somatic embryogenesis was achieved from leaf and internode derived callus of Wedelia calendulacea, an endangered medicinal plant. Primary callus was induced by culturing leaf disc and internode explant on Murashige and Skoog medium supplemented with 2.0 mg L-1 of 2,4-D under light condition. Transfer of embryogenic callus on a reduced concentration of 2,4-D facilitated somatic embryo development while calluses remained unorganized at the same 2,4-D level. A histological analysis confirmed somatic embryo by revealing the presence of a closed vascular system in the developing embryos and lack of a vascularconnection with surrounding callus tissues. Somatic embryos germinated into plantlets upon transfer on MS medium...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: In vitro; Medicinal plant; Micropropagation; Somatic embryo; Threatened; Wedelia calendulacea.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000300013

Phytochemical and Morphological Evidences for Shikonin Production by Plant Cell Cultures of Onosma sericeum Willd
Provedor de dados: 52
Autores: Gharehmatrossian,Sormeh; Popov,Yu; Ghorbanli,Mahlagha; Safaeian,Shila; Iranbakhsh,Alireza.
ABSTRACT Shoot regeneration, callus growth, and biosynthesis of shikonin in callus cultures of Onosma sericeum were examined. Plant tissue culture was used as an alternative method for increasing the production of shikonin, a secondary metabolite. The isolated cultures were subjected to abiotic factors such as light, plant growth regulators, and nutritional factors. Identification was carried out by High- Performance Liquid Chromatography (HPLC) after 10th subculture. Nodal explants were incubated in Murashige and Skoog (MS) medium along with different combination of growth hormones. Shoot regeneration from calli were achieved on MS basal medium supplemented with 3 mg/l 6-benzylaminopurine (BAP) and 0.5 mg/l Naphthalene acetic acid (NAA) under light cycle....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Growth index; Medicinal plant; Plant regeneration; Secondary metabolite.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132016000100428

Macro and microscopic characters of the aerial vegetative organs of Carqueja: Baccharis usterii Heering
Provedor de dados: 52
Autores: Budel,Jane Manfron; Duarte,Márcia do Rocio.
This work aimed to study the macro and microscopic characters of the aerial vegetative organs of Baccharis usterii for quality control purposes. The plant was prepared for light and scanning electron microscopic analyses. The stem consisted of three-winged cladodes with small leaves. In the caulinar axis, these was a uniseriate epidermis, chlorenchyma alternating with angular collenchyma, perivascular fibre caps adjoining the phloem which was outside the xylem, and parenchymatic pith. The wings and the leaves were alike, presenting a uniseriate epidermis, palisade parenchyma next to the both sides of the epidermis and spongy parenchyma traversed by minor collateral vascular bundles in the central region. In the leaf midrib, a single collateral vascular...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Baccharis usterii; Carqueja; Medicinal plant; Morpho-anatomy; Secretory ducts.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000100016

Testicular morphology of adult wistar rats treated with Rudgea viburnoides (Cham.) Benth. leaf infusion
Provedor de dados: 52
Autores: Monteiro,Juliana Castro; Matta,Sérgio Luis Pinto da; Predes,Fabrícia Souza; Paula,Tarcízio Antônio Rego de.
The present study was carried out to investigate the effects of Rudgea viburnoides infusion on the body biometry and testicular morphometry and stereology of adult Wistar rats. Two groups received the infusion daily at the concentration of 3 or 6 mg/mL for 40 days. The control group received only water. Neither the biometrical parameters nor the tubular diameter and the height of the seminiferous epithelium showed any significant alterations in the treated animals. Leydig cells stereology did not show any significant alterations in the treated animals. These results indicated that R. viburnoides did not cause alterations in body biometry and testicular morphometry.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Congonha-de-bugre; Morphometry; Stereology; Leydig cell.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000100013

Inhibitory effect of the Pseudobrickellia brasiliensis (Spreng) R.M. King &amp;amp; H. Rob. aqueous extract on human lymphocyte proliferation and IFN-γ and TNF-α production in vitro
Provedor de dados: 56
Autores: Almeida,V.G.; Avelar-Freitas,B.A.; Santos,M.G.; Costa,L.A.; Silva,T.J.; Pereira,W.F.; Amorim,M.L.L.; Grael,C.F.F.; Gregório,L.E.; Rocha-Vieira,E.; Brito-Melo,G.E.A.
Pseudobrickellia brasiliensis (Asteraceae) is a plant commonly known as arnica-do-campo and belongs to the native flora of the Brazilian Cerrado. The alcoholic extract of the plant has been used as an anti-inflammatory agent in folk medicine, but the biological mechanism of action has not been elucidated. The present study evaluated the composition of P. brasiliensis aqueous extract and its effects on pro-inflammatory cytokine production and lymphocyte proliferation. The extracts were prepared by sequential maceration of P. brasiliensis leaves in ethanol, ethyl acetate, and water. Extract cytotoxicity was evaluated by trypan blue exclusion assay, and apoptosis and necrosis were measured by staining with annexin V-FITC and propidium iodide. The ethanolic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cytokines; Lymphocyte proliferation; Luteolin; Medicinal plant; Pseudobrickellia brasiliensis; Quinic acid.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2017000800603

Isolation and intracellular localization of insulin-like proteins from leaves of Bauhinia variegata
Provedor de dados: 56
Autores: Azevedo,C.R.; Maciel,F.M.; Silva,L.B.; Ferreira,A.T.S.; da Cunha,M.; Machado,O.L.T.; Fernandes,K.V.S.; Oliveira,A.E.A.; Xavier-Filho,J.
Evidence based on immunological cross-reactivity and anti-diabetic properties has suggested the presence of insulin-like peptides in plants. The objective of the present study was to investigate the presence of insulin-like proteins in the leaves of Bauhinia variegata ("pata-de-vaca", "mororó"), a plant widely utilized in popular medicine as an anti-diabetic agent. We show that an insulin-like protein was present in the leaves of this plant. A chloroplast protein with a molecular mass similar to that of bovine insulin was extracted from 2-mm thick 15% SDS-PAGE gels and fractionated with a 2 x 24 cm Sephadex G-50 column. The activity of this insulin-like protein (0.48 mg/mL) on serum glucose levels of four-week-old Swiss albino (CF1) diabetic mice was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bauhinia variegata; Plant insulin; Chloroplast; Medicinal plant.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006001100007

Antimicrobial activity of Anonna mucosa (Jacq.) grown in vivo and obtained by in vitroculture
Provedor de dados: 58
Autores: de Souza Barboza,Thiago José; Ferreira,Andréa Fonseca; de Paula Rosa Ignacio,Ana Claudia; Albarello,Norma.
Brazilian flora includes numerous species of medicinal importance that can be used to develop new drugs. Plant tissue culture offers strategies for conservation and use of these species allowing continuous production of plants and bioactive substances. Annona mucosa has produced substances such as acetogenins and alkaloids that exhibit antimicrobial activities. The widespread use of antibiotics has led to an increase in multidrug-resistant bacteria, which represents a serious risk of infection. In view of this problem, the aim of this work was to evaluate the antibacterial potential of extracts of A. mucosa obtained by in vitro techniques and also cultured under in vivo conditions. Segments from seedlings were inoculated onto different culture media...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antibacterial properties; Annonaceae; Medicinal plant; Callus cultures; Cell suspension cultures.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822015000300785

Agrobacterium rhizogenes-mediated transformation of Hypericum sinaicum L. for the development of hairy roots containing hypericin
Provedor de dados: 60
Autores: Khlifa,Heba Desouky; Klimek-Chodacka,Magdalena; Baranski,Rafal; Combik,Michal; Taha,Hussein Sayed.
Hypericum sinaicum L. is an endangered Egyptian medicinal plant of high importance due to the presence of naphthodianthrones (hypericins), which have photodynamic properties and pharmaceutical potential. We sought to assess H. sinaicum ability to develop hairy roots that could be cultured in contained conditions in vitro and used as a source for hypericin production. We used four A. rhizogenes strains differing in their plasmids and chromosomal backgrounds to inoculate excised H. sinaicum root, stem and leaf explants to induce hairy root development. Additionally, inoculum was applied to shoots held in Rockwool cubes supporting their stand after removal of the root system. All explant types were susceptible to A. rhizogenes although stem explants responded...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: In vitro culture; Medicinal plant; Naphthodianthrones; Plant genetic engineering.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502020000100590

Extract of Solidago chilensis Meyen inflorescences: cytotoxicity and inhibitory activity on nitric oxide synthesis in activated macrophage cell line J774A.1
Provedor de dados: 60
Autores: Brito,Thais Morais de; Amendoeira,Fabio Coelho; Oliveira,Temistocles Barroso de; Frutuoso,Valber da Silva; Ferraris,Fausto Klabund; Valverde,Simone Sacramento.
Solidago chilensis Meyen (= Solidago microglossa) popularly known as “Brazilian arnica” is used to treat of inflammatory disorders. S. chilensis is constant in the Therapeutic Memento of the Rio de Janeiro city and belongs to the medicinal species of Brazilian National List of Medicinal Plants of Interest of the Unified National Health System (SUS). There are no studies in the literature showing the direct activity of this plant species on immune system cells. The present study evaluated the chemical composition as well as the cytotoxic and pharmacological activity of the ether-ethanol extract from S. chilensis inflorescences (SCIE) in murine macrophage cell line J774A.1. The results showed that higher concentrations (50 to 200 µg/mL) of SCIE had...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anti-inflammatory activity; Medicinal plant; Asteraceae; Diterpenes; Flavonoids.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502020000100594

Toxicological evaluation of Lafoensia pacari A. St.-Hil. (Lythraceae) stem bark extract: Acute and subchronic studies in mice
Provedor de dados: 60
Autores: Ávila,Renato Ivan de; Ferreira,Camila Carvalho; Alvarenga,Cátia Belo Mattos; Vieira,Marcelo de Sousa; Cortez,Alane Pereira; Batista,Aline Carvalho; Costa,Elson Alves; Valadares,Marize Campos.
This study evaluated the safety of Lafoensia pacari A. St.-Hil. (Lythraceae) stem bark hydroalcoholic extract (LPE) through acute and subchronic toxicological assessments in mice. In the acute toxicity evaluation, a single 2000 mg/kg oral dose of LPE was administered to mice and clinical observations were conducted for 14 days. For subchronic toxicity, LPE doses (6.25-1000 mg/kg) were administered orally for 28 days and biochemical, hematological, histopathological analyses and renal and liver expression of Ki-67 were carried out. The acute oral toxicity evaluation of LPE showed no toxicity in mice and it was was classified as category 5 (LD50&gt;2000-5000 mg/kg). In a repeated dose 28-day toxicity study, LPE (100-1000 mg/kg) led to an increase in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mangava-brava; Lafoensia pacari/evaluation; Medicinal plant; Natural product.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502019000100595

Quantification of chlorogenic acid, rosmarinic acid, and caffeic acid contents in selected Thai medicinal plants using RP-HPLC-DAD
Provedor de dados: 60
Autores: Chaowuttikul,Chayanon; Palanuvej,Chanida; Ruangrungsi,Nijsiri.
The chlorogenic acid, rosmarinic acid, and caffeic acid contents in 100 selected plants were determined using reversed phase high performance liquid chromatography equipped with diode array detector. The optimum condition was 0.2% phosphoric acid in water (solvent A) and methanol (solvent B) as the mobile phase, which was set at 45% B for 20 minutes at a flow rate of 1.2 mL/min. The column temperature was maintained at 30 ºC and the detection wavelength was 325 nm. Among 100 selected plants, 39.64% contained all 3 compounds, 40.54% contained 2 compounds, 14.41% contained only 1 compound, and 5.41% could not detect any of the 3 compounds. The highest contents of chlorogenic acid, rosmarinic acid, and caffeic acid were found in Lonicera japonica flowering...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chlorogenic acid; Rosmarinic acid; Caffeic acid; RP-HPLC-DAD; Medicinal plant.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502020000100507

Multiple shoot formation in Hypericum perforatum L.and hypericin production
Provedor de dados: 61
Autores: Santarém,Eliane Romanato; Astarita,Leandro Vieira.
Hypericum perforatum is a traditional medicinal plant with wound healing and antidepressive properties. Among the secondary compounds of interest is hypericin, a naphtodianthrone that seems to participate in the medicinal effects of this species. The aim of this work was to obtain an efficient micropropagation system of H. perforatum and to compare the hypericin content between in vitro and field-grown plants. Cultures were initiated from nodal segments of mature plants inoculated onto MS medium supplemented with 4.5 muM BA, kinetin, thidiazuron, individually or in combination with 0.05 muM NAA. Organogenic explants were observed on medium with either BA or kinetin alone or in combination of these with NAA. Subculture of organogenic explants onto the...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Medicinal plant; Micropropagation; Organogenesis; St. John's Wort.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202003000100006

Phytochemical and physiological changes in Ashwagandha (Withania somnifera Dunal) under soil moisture stress
Provedor de dados: 61
Autores: Shah,Sonal; Saravanan,Raju; Gajbhiye,Narendra Atmaram.
Ashwagandha, commonly known as the Indian Ginseng (Withania somnifera) is an ingredient in many herbal preparations used for healing various ailments. It is cultivated in semi-arid regions of India as rain-fed crop. The response of this crop (cv. JA-134) to progressive soil moisture deficit on growth, physiology and content of phytochemicals was studied. At the end of treatment period, soil water potential (Ψw) decreased to -10.93, -1.15 MPa at 30 cm depth, predawn leaf water potentials were reduced to -0.62 and -0.51 MPa in the severe and moderate stress. Leaf area was reduced by 27.4% and 34.4% in moderate and severe water stress treatment compared to control. Chlorophyll content was reduced by 60% in the severe water stress. Changes in the steroidal...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Secondary metabolites content; Soil moisture stress; Withanolide content.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202010000400005

Potential of Baccharis alnifolia Meyen &amp;amp; Walpan (Chilka) from northern Chile used as a medicinal infusion
Provedor de dados: 65
Autores: Soto,Emilio; Bustos,Luis; Simirgiotis,Mario Juan; Parra,Claudio.
ABSTRACT:  Baccharis alnifolia Meyen &amp; Walp. is a native and medicinal, Chilean Altiplano herb that is used as a poultice and also consumed as an infusion to relieve inflammation. This study evaluated the antioxidant and cytotoxic effect of the ethanolic extract of B. alnifolia and their infusion. It was reported that the ethanol extract contains 4.42 mg GAE/g of dry weight and the infusion contains 35.86 mg GAE/L of total polyphenols. Also, it determined the antioxidant capacity using Ferric reducing antioxidant power (FRAP), Oxygen Radical Absorbance Capacity (ORAC) and Trolox equivalent antioxidant capacity (TEAC) assay. Moreover, seven metabolites including between phenolic acids and flavonoids were identified for the first time in both extracts of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antioxidant activity; Baccharis alnifolia; Bioactivity; Medicinal plant; UHPLC-DAD.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001000401

Drying temperature changes trichome integrity, chemical content and composition of the essential oil of pepper-rosmarin
Provedor de dados: 65
Autores: Queiroz,Giovanna Alcântara; Silva,Pedro Henrique Lopes; Oliveira,Rosilene Aparecida de; Sodré,George Andrade; Costa,Larissa Corrêa do Bomfim.
ABSTRACT:  Medicinal plants are generally commercialized dried. However, temperatures used in their drying processes may interfere with the content and chemical composition of their essential oils. The Lippia origanoides possesses thymol in the essential oil that is stored in glandular trichomes. Thymol is a major component of economic importance in the chemical and pharmaceutical industry. The objective of this study was to evaluate the effect of the drying temperatures of L. origanoides leaves regarding trichome integrity, content, and chemical composition of the essential oil. The experimental design was completely randomized with four treatments defined by oven drying temperatures (40, 50, 60, and 70ºC) and four replications. Essential oil was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lippia origanoides; Medicinal plant; Secretory structures; Drying; Thymol.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018001100404

Vitamin C and total phenols quantification in calli of native passion fruit induced by combinations of Picloram and Kinetin
Provedor de dados: 65
Autores: Artioli-Coelho,Fabiane Aparecida; Paiva,Renato; Silva,Luciano Coutinho; Barbosa,Sandro; Beijo,Luiz Alberto.
Brazil is one of the center of origin of passion fruit and has an important natural variability of the genus Passiflora. Several wild species of this genus are resistant to some pests and diseases and many are considered as medicinal. The aim of this research was to induce callus from in vitro Passiflora gibertiileaf explants for quantification of vitamin C and total phenols. Once the appropriate auxin/cytokine balance promotes callus formation and may optimize the production of secondary compounds and vitamins, calli were induced using a half-strength MS medium with a combination of the auxin Picloran (PIC) and the cytokine Kinetin (KIN). The vitamin C and total phenols were quantified by colorimetric methods from calli after different culture periods....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Passiflora gibertii; Native species; Medicinal plant; Secondary compounds.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000801459

Histochemistry, content and chemical composition of essential oil in different organs of Alpinia zerumbet
Provedor de dados: 65
Autores: Jezler,Caroline Nery; Batista,Ricardo Silva; Alves,Péricles Barreto; Silva,Delmira da Costa; Costa,Larissa Corrêa do Bomfim.
Alpinia zerumbet is a medicinal plant from Asian origin used in folk medicine for the treatment of hypertension, which effect is attributed to terpinen-4-ol, the major component of the essential oil. The objective of this work was to identify the essential oil secretory structures in the leaf, flower, root and rhizome of this plant, and analyze the content and the chemical composition of the oil in the different organs of the plant. Sections were subjected to histochemical test with Nadi reagent for in situ localization of secretion. The essential oil extraction was performed by hydrodistillation in a Clevenger apparatus and the compounds were identified in CG-EM/FID. The histochemical test was positive for terpenoids, confirming the presence of essential...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Terpinen-4-ol; Secretory structure.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782013001000013

THE EFFICIENCY OF SHOOT AND PLANTLET FORMATION OF Cephaelis ipecacuanha AFTER THREE SUBCULTURES IN VITRO
Provedor de dados: 65
Autores: Lameira,Osmar Alves; Costa,Marly Pedroso da; Pinto,José Eduardo Brasil Pereira.
Multiple adventitious shoot formed from internodal segments of Cephaelis ipecacuanha cultured 25 days on Gamborg basal medium (GAMBORG et al., 1968) supplemented with 6.66mM 6-benzylaminopurine there was a maximum of nine shoots per segment and an average of five shoots per segment formed. The presence of gibberellic acid in the subculture media promoted shoot elongation in all treatments. The shoots attained 3cm in height and rooting of 100% after 35 days of culturing upon Murashige and Skoog's basal medium (MS), added with 4.92mM indole-3-butyric acid, 0.87m gibberellic acid and 0.1% activated charcoal. Further growth was accelerated after the transfer to 1/2 MS without growth regulators. Rooted plantlets transferred to potting soil could be successfully...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Micropropagation; Ipecac.
Ano: 1994
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84781994000300013

Pb and Cd on growth, leaf ultrastructure and essential oil yield mint (Mentha arvensis L.)
Provedor de dados: 65
Autores: Jezler,Caroline Nery; Mangabeira,Pedro Antônio Oliveira; Almeida,Alex-Alan Furtado de; Jesus,Raildo Mota de; Oliveira,Rosilene Aparecida de; Silva,Delmira da Costa; Costa,Larissa Correa do Bomfim.
Contamination of medicinal plants with heavy metals as Pb and Cd can affect the growth and the essential oil production of the plants and represent a risk to those who consume as medicine. This study aimed to evaluate the effects of absorption and localization of Pb and Cd on growth, ultrastructural aspects of leaves and essential oil yield and composition of Mentha arvensis, applied on the soil with increasing concentrations (8, 16, 32, 64 and 128mg kg-1). There was a differential absorption of Pb and Cd by M. arvensis mainly concentrated in the roots. Pb was found in small amounts in the leaves while Cd largely exceeded the safety limit without symptoms of toxicity. The ultrastructural analysis revealed the metal accumulation on vesicles surrounding the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Contamination; Heavy metals; Medicinal plant; Menthol.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000300392

Planting time for maximization of yield of vinegar plant calyx (Hibiscus sabdariffa L.)
Provedor de dados: 64
Autores: Castro,Nilmar Eduardo Arbex de; Pinto,José Eduardo Brasil Pereira; Cardoso,Maria das Graças; Morais,Augusto Ramalho de; Bertolucci,Suzan Kelly V.; Silva,Fabiano Guimarães da; Delú Filho,Nelson.
The objective of this work was to evaluate the yield of calyxes of Hibiscus sabdariffa L, a medicinal plant, at four planting times in Lavras - MG. The treatments were four planting times (October 18th, November 15th, December 18th 2001 and January 15th 2002) and a harvest was proceeded when practically there were no developing calyxes, almost at the end of the plant cycle. The numbers of calyxes per plant, the fresh and dry biomasses of calyxes and quality were taken into account. It follows that planting time influenced yield per plant and the fresh and dry biomasses of calyxes, differing from each other by Tukey test at 5%. In October planting, there was a higher yield (2,522kg/ha) with a yield 5.24 as high relative to the planting of the month of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Organic farming; Calyx; Medicinal plant; Yield; Vinegar plant.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542004000300009

Tissue culture of Cecropia glaziovii Sneth (urticaceae): vegetative micropropagation and plant regeneration from callus
Provedor de dados: 64
Autores: Alves,Marcos Nopper.
Cecropia glaziovii is a tree with used in Brazilian popular medicine. Methods allowing the clonal propagation of this species are of great interest for superior genotype multiplication and perpetuation. For this reason, we examined the effect of different culture media and different types of explants on adventitious shoot regeneration from callus and buds of C. glaziovii. Leaves, petioles and stipules obtained from aseptically grown seedlings or from pre-sterilized plants were used to initiate cultures. Adventitious shoot regeneration was achieved when apical and axillary buds were inoculated on gelled Murashige &amp;amp; Skoog (MS) medium supplemented with 6-benzylaminopurine alone (BAP) (1.0, 5.0 or 10.0 mg L-1) or combined with -naphthalene acetic acid...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Clonal propagation; Adventitious buds; Growth regulators; Callogenesis.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542010000500024

Influence of radiation level on plant growth, yield and quality of essential oil in carqueja
Provedor de dados: 64
Autores: Silva,Fabiano Guimarães; Pinto,José Eduardo Brasil Pereira; Cardoso,Maria das Graças; Nascimento,Evandro A.; Nelson,David Lee; Sales,Juliana de Fátima; Mol,Daniel José de S.
In this research it was studied the influence of the radiation intensity on growth and on the essential oil yield of Baccharis trimera. The plants growth was studied under four levels of radiation: 100, 60, 50 and 20% during a 259-day long period. Plants were then evaluated for height, number of nodes, branches, stem diameter (at the height of the colon), biomass formation, and content and composition of the oil. The highest level of radiation caused increases in all of the variables evaluated, except for height, which was reduced with increasing radiation. Essential oil content also increased with increasing level of radiation.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Baccharis trimera; Asteraceae; Medicinal plant.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542006000100007