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| Registros recuperados: 134 | |
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| Chattopadhyay,Rabi Ranjan; Bhattacharyya,Subir Kumar; Medda,Chiranjib; Chanda,Sunanda; Bag,Anwesa. |
| A comparative in vitro antibacterial potential of extracts (aqueous and ethanol) of five important medicinal plants (Aegle marmelos, Azadirachta indica, Terminalia chebula, Mangifera indica and Ocimum sanctum) were investigated using microbial growth inhibition assays against the common human pathogenic bacteria (Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli) of clinical origin. All the plant materials showed varying degrees of strain specific inhibitory action and ethanol extract of the plant materials showed higher antibacterial activity than their aqueous counterparts. Besides, T. chebula and A. marmelos had the strongest antibacterial activity out of which, T. chebula possessed a wider spectrum and a superior antibacterial... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pathogenic bacteria; Medicinal plants; Antibacterial potential; Comparative study. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500009 |
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| Sarwat,Maryam; Singh Negi,Madan; Lakshmikumaran,Malathi; Kumar Tyagi,Akhilesh; Das,Sandip; Shankar Srivastava,Prem. |
| For studying genetic diversity in natural populations of Terminalia, a medicinal plant, our attempts to isolate high quality DNA using several previously reported protocols and even modifications were unsuccessful. We therefore combined CTAB based isolation, and column based purification step, to isolate DNA from Terminalia arjuna. The DNA isolated using this standardized protocol was high in quality and suitable for restriction digestion and generation of random amplification of polymorphic DNA (RAPD) and amplified fragment length polymorphism (AFLP). |
| Tipo: Journal article |
Palavras-chave: DNA extraction; Medicinal plants; Molecular markers; Terminalia species. |
| Ano: 2006 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000100011 |
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| Dal Pozzo,M; Santurio,D.F; Rossatto,L; Vargas,A.C; Alves,S.H; Loreto,E.S; Viegas,J. |
| Avaliou-se a atividade antimicrobiana dos óleos essenciais (OE) de Origanum vulgare (orégano), Thymus vulgaris (tomilho), Lippia graveolens (lipia), Zingiber officinale (gengibre), Salvia officinalis (sálvia), Rosmarinus officinalis (alecrim) e Ocimum basilicum (manjericão), e de suas frações majoritárias, carvacrol e timol, frente a 32 isolados de Staphylococcus spp, oriundos de rebanhos leiteiros bovinos. A concentração inibitória mínima (CIM) e a concentração bactericida mínima foram determinadas por meio da técnica de microdiluição em caldo. Orégano, tomilho e lípia (Orégano Mexicano) apresentaram atividade antimicrobiana similar, médias geométrica de CIM de 1600µg mL-1; 1564µg mL-1; 1562µg mL-1, respectivamente, no entanto menos ativos que carvacrol,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Medicinal plants; Phytotherapy; Antimicrobials; Plantas medicinais; Fitoterapia; Antimicrobianos. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352011000500026 |
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| Vilela,Gisele F; Ming,Lin C; Marques,Márcia OM; Silva,Sandra MP da; Montanari Junior,Ílio. |
| The medicinal species fafia (Hebanthe eriantha), is a product of extractivism in the region of the Paraiba Valley, São Paulo state, Brazil, with endangered genetic variability. This study did an agronomical characterization and an analysis of active compounds of five accessions. This research is a partnership of UNESP-Botucatu Medicinal Plants Laboratory, Paraiba Valley Center (APTA) and CPQBA-UNICAMP Agrotechnological Division. A field experiment using completely random blocks with five accessions and seven replications was used. The stem and leaf wet/dry weights, root wet/dry weight, length of the longest stem, foliar area, foam index and pfaffic acid content samples were evaluated. Accession I1800 had root dry weight, stem and leaf dry weight, and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hebanthe eriantha; Medicinal plants; Cultivation; Pfaffic acid; Amaranthaceae. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362013000100021 |
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| Glasenapp,Jacqueline Siqueira; Barbosa,Priscila Barros; Casali,Vicente Wagner Dias; Martins,Ernane Ronie; Cruz,Cosme Damião. |
| Leaves and fruits from 63 Stryphnodendron adstringens trees were sampled in the Rio Preto State Park to analyze allozyme segregation, tissue specific expression of allozyme loci, and their genetic parameters. The enzyme systems ADH, EST, ACP, PGM, PGI, GDH, G6PDH, GOT, IDH, LAP, MDH, PER and SKDH were assessed by means of starch-gel electrophoresis. The polymorphic systems PGI, IDH, MDH and GOT demonstrated a dimeric quaternary structure, while EST and PER were monomeric. The total expected genetic diversity (H E) for leaves and seeds were 0.325 and 0.244 respectively. The effective number of alleles per locus (A E) was 1.58 in leaves and 1.42 in seeds. The values of H E and A E observed in S. adstringens were comparatively higher than the average values... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Allozyme segregation; Genetic diversity; Heterozygosity; Medicinal plants. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042012000200003 |
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| Duarte,Márcia do Rocio; Silva,Ariane Gonçalves. |
| Gymnanthemum amygdalinum (Delile) Sch.Bip. ex Walp. (Asteraceae), better known by its former name Vernonia amygdalina Delile, is a small shrub used in folk medicine as an antipyretic, laxative, antimalarial and anthelmintic. Studies have demonstrated that different vegetal extracts possess antioxidant, antimicrobial and antiparasitic activities. Among the bioactive metabolites, there are sesquiterpene lactones, saponins, polyphenols and flavonoids. This study investigated the leaf and stem microscopic characters of G. amygdalinum, aiming to expand the knowledge on this medicinal species and indicate anatomical structures. Plant material was fixed and sectioned by freehand and using a microtome. The sections were either stained or underwent standard... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gymnanthemum amygdalinum/pharmacognosy; Gymnanthemum amygdalinum/microscopic characterization; Vernonia amygdalina/pharmacognosy; Vernonia amygdalina/microscopic characterization; Asteraceae/pharmacognosy; Medicinal plants. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502013000400011 |
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| Nascimento,Gislene G. F.; Locatelli,Juliana; Freitas,Paulo C.; Silva,Giuliana L.. |
| The antimicrobial activity of plant extracts and phytochemicals was evaluated with antibiotic susceptible and resistant microorganisms. In addition, the possible synergistic effects when associated with antibiotics were studied. Extracts from the following plants were utilized: Achillea millifolium (yarrow), Caryophyllus aromaticus (clove), Melissa offficinalis (lemon-balm), Ocimun basilucum (basil), Psidium guajava (guava), Punica granatum (pomegranate), Rosmarinus officinalis (rosemary), Salvia officinalis (sage), Syzygyum joabolanum (jambolan) and Thymus vulgaris (thyme). The phytochemicals benzoic acid, cinnamic acid, eugenol and farnesol were also utilized. The highest antimicrobial potentials were observed for the extracts of Caryophyllus aromaticus... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Plant extracts activity; Medicinal plants; Antimicrobial activity. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822000000400003 |
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| Lucarini,R.; Tozatti,M.G.; Silva,M.L.A.; Gimenez,V.M.M.; Pauletti,P.M.; Groppo,M.; Turatti,I.C.C.; Cunha,W.R.; Martins,C.H.G.. |
| This paper reports on the in vitro antibacterial and in vivo anti-inflammatory properties of a hydroethanolic extract of the aerial parts of Gochnatia pulchra (HEGP). It also describes the antibacterial activity of HEGP fractions and of the isolated compounds genkwanin, scutellarin, apigenin, and 3,5-O-dicaffeoylquinic acid, as evaluated by a broth microdilution method. While HEGP and its fractions did not provide promising results, the isolated compounds exhibited pronounced antibacterial activity. The most sensitive microorganism was Streptococcus pyogenes, with minimum inhibitory concentration (MIC) values of 100, 50 and 25 µg/mL for genkwanin and the flavonoids apigenin and scutellarin, respectively. Genkwanin produced an MIC value of 25 µg/mL against... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gochnatia pulchra; Anti-inflammatory activity; Antibacterial activity; Medicinal plants; Proinflammatory cytokines. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000900822 |
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| CAVALCANTI,PAULO M.S.; MARTINS,MARIA DO CARMO C.; NUNES,PAULO H.M.; ALVES FILHO,FRANCISCO C.; SILVA,JANYERSON D.P.; CAVALCANTI,SUZANA M.G.. |
| Abstract This study investigated the effects of the ethanolic extract from the bark of Combretum leprosum (ECL) on intestinal transit and castor-oil induced diarrhea in mice. The oral administration of ECL (750 and 1000 mg/kg) slowed intestinal transit (ID50 of 455 mg/kg). The ECL (250-1000 mg/kg) reduced castor-oil induced diarrhea, in a time- and dose-dependent manner (p < 0.05). To determine if antidiarrheal effect of ECL involves α2-adrenergic or opioid receptor activation, the mice were pretreated with antagonists of these receptors, yohimbine or naloxone respectively. None of these drugs inhibited the antidiarrheal effect of ECL. To test if antidiarrheal effect of ECL is due to an antisecretory action, we realized the enteropooling assay on rats.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Combretum leprosum; Antidiarrheal effect; Medicinal plants; Polyphenols; Intestinal transit; Enteropooling. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000100701 |
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| Johann,Susana; Pizzolatti,Moacir G.; Donnici,Cláudio L.; Resende,Maria Aparecida de. |
| Antifungal properties of extracts from eight Brazilian plants traditionally used in popular Brazilian medicine were tested against five clinically relevant Candida species, Cryptococcus neoformans, and Sporothrix schenckii. Results demonstrate that almost all extracts exhibited antifungal activity, at least against one of the microorganisms tested. The ethanolic extract from the leaves of Schinus terebinthifolius exhibited potential antifungal activity against C. glabrata and S. schenckii. Preliminary phytochemical analysis of extract from S. terebinthifolius showed the presence of biologically active compounds, namely saponins, flavonoids, triterpenes, steroids and tannins. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antifungal properties; Medicinal plants; Susceptibility test. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000400010 |
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| Melo,Marcelia Garcez Dória de; Araújo,Adriano Antunes de Souza; Serafini,Mairim Russo; Carvalho,Larissa Feitosa; Bezerra,Marília Santos; Ramos,Cledison Santos; Bonjardim,Leonardo Rigoldi; Albuquerque-Júnior,Ricardo Luiz Cavalcanti; Lima,Julianeli Tolentino; Siqueira,Rosana Souza; Fortes,Vanessa Silveira; Fonseca,Maria José Vieira; Quintans-Júnior,Lucindo José. |
| Atranorin (ATR) is the main compound from the lichen Cladina kalbii Ahti, which grows in the arid regions of northeastern Brazil. This study was conducted to evaluate the anti-inflammatory and toxicological properties of ATR. To evaluate anti-inflammatory properties, paw edema was induced by injecting 0.1 mL of carrageenan into the subplantar region of the right hind paw of rats, and leukocyte migration was induced by injection of 500 µL of carrageenan into the peritoneal cavity of mice. In addition, we determined ATR cytotoxicity in L929 cells by MTT assay and acute (5 g/kg-single dose) and subchronic (50 mg/kg-30 days) toxicity tests in Wistar rats. The results showed that ATR (100 mg/kg and 200 mg/kg) exhibited significant anti-inflammatory activity... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cladina kalbii/pharmacognosy; Atranorin/anti-inflamatory activity; Atranorin/toxicity; Medicinal plants. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502011000400024 |
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| Antinarelli,Luciana M.R.; Pinto,Nícolas C.; Scio,Elita; Coimbra,Elaine S.. |
| Leishmaniasis is a complex of diseases caused by Leishmania protozoa which treatment is restricted to a limited number of drugs that exhibit high toxicity, collateral effects and are often costly. There are a variety of tropical plants distributed in Brazil, and for many poor people the therapy for several diseases is based mainly on the use of traditional herbal remedies. In this work, the cytotoxic activity of 17 plant methanol extracts was evaluated on several Leishmania species and murine macrophages. Among them, the extract of Casearia sylvestris, Piptocarpha macropoda, Trembleya parviflora, Samanea tubulosa and Plectranthus neochilus showed a promissing leishmanicidal activity, exhibiting IC50 values below of 20 µg/mL against at least one species of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brazil; Casearia sylvestris; Leishmanicidal activity; Medicinal plants; Natural products. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000200733 |
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| Cordeiro,Yonara de Gouveia; Rochetti,Arina Lázaro; Souza,Vinicius Castro; Silva,Edson Roberto da; Scatolini,Antônio Márcio; Genovese,Maria Inés; Yasui,George Shigueki; Fukumasu,Heidge. |
| Abstract Lafoensia pacari A. St. Hill has been used in traditional medicine as an anti-ulcerogenic and anti-inflammatory. Although there is an ethnopharmacological indication for cancer treatment, only a few studies have demonstrated its possible anticancer activity. Thus, the aims of this study were: (1) to evaluate the antineoplastic effect of L. pacari ethanolic extract (LPE) in lung carcinoma cells, (2) to determine the mode of action of LPE and (3) to identify the substances present in LPE. Human and murine lung cancer cell lines were grown in vitro and treated with different concentrations of LPE. Cell cycle and caspase-3 activity assays were performed in order to verify the mode of action. LC-ESI-MS screening was performed to detect the compounds... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antineoplastic effect; Cell cytotoxicity; Medicinal plants; Procyanidins. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100302 |
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| Benvenutti,Régis Carlos; Gomes,Denise B.; Zanchet,Barbara; Locateli,Gelvani; Vechia,Cristian Alex Dalla; Zanotelli Serpa,Patrícia; Lutinski,Junir; Rodrigues Junior,Sinval Adalberto; Schönell,Amanda Patrícia; Diel,Kriptsan Abdon Poletto; Miorando,Daniela; Ernetti,Jackeline; Alves,Bianca de Oliveira; Zilli,Gabriela Adriany Lisboa; Banzato,Thais Petrochelli; Ruiz,Ana Lúcia Tasca Gois; Vidal Gutiérrez,Max; Vilegas,Wagner; Roman Junior,Walter Antônio. |
| Abstract Natural products, especially phytochemicals, have been extensively studies and have exhibited important antiproliferative effects. The American native species Urera baccifera (L.) Gaudich. ex Wedd. (Urticaceae) is widely distributed in Brazil, where it is known as urtiga-vermelha or urtigão. The leaves are popularly used as anti-inflammatory, antirheumatic and in the treatment of gastric disorders. However, the antiproliferative potential of this plant against human tumor cells remain to be elucidated. In this study, we evaluated the antiproliferative effects of U. baccifera leaves extracts and fractions against a panel of human tumor cell lines in vitro besides a chemical evaluation of the most active sample by mass spectrometry (ESI-IT-MSn). The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antitumor agents; Medicinal plants; Chemical analysis. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100412 |
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| Bazai,ZA; Tareen,RB; Achakzai,AKK; Batool,H. |
| The data collection approach called Participatory Rural Appraisal (PRA) was used in five villages: Killi Tor Shore; Medadzai; Ghunda; Kala Ragha, and Killi Shaban. Up to five groups were sampled in each village, comprising a total of 17 villages within the Zarghoon Juniper ecosystem. This area is rich both historically and culturally for using medicinal plants, mostly by women (60%). In this study, 26 species of medicinal plants fit in 20 genera and 13 families. They are used by aboriginal people via the indigenous knowledge they have for the treatment of many diseases. About 60, 35, and 5% of the medicines are prepared to be used orally, topically and boiled to inhale, respectively. Percentage distribution of plant parts used with purpose is 57, 26, 10... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Juniper ecosystem; Zarghoon; PRA; Ethnobotany; Medicinal plants; Biodiversity. |
| Ano: 2013 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572013000100010 |
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| SIMÃO,ANDERSON A.; MARQUES,TAMARA R.; MARCUSSI,SILVANA; CORRÊA,ANGELITA D.. |
| ABSTRACT Leaves of Psidium guajava L. (guava) have been widely used in the popular way for prevention and treatment of various diseases. Thus, the objective of this study was to evaluate the inhibitory potential of leaves aqueous extract from three cultivars of P. guajava (Pedro Sato, Paluma and Século XXI) on α-amylase, α-glycosidase, lipase, and trypsin enzymes, in the presence or not of simulated gastric fluid and to determine the content of phenolic compounds by high performance liquid chromatography. All cultivars presented the same composition in phenolic compounds, but in different proportions. The compounds identified are gallic acid, epigallocatechin gallate, syringic acid, o-coumaric acid, resveratrol, quercetin, and catechin (which was the major... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Medicinal plants; Obesity; Α-amylase; Α-glycosidase; Lipase; Trypsin. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000502155 |
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| Registros recuperados: 134 | |
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