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Registros recuperados: 148
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7-hydroxycalamenene effects on secreted aspartic proteases activity and biofilm formation of Candida spp. Repositório Alice
AZEVEDO, M. M. B.; ALMEIDA, C. A.; CHAVES, F. C. M.; RODRIGUES, I. A.; BIZZO, H. R.; ALVIANO, C. S.; ALVIANO, D. S..
The 7-hydroxycalamenenene-rich essential oil (EO) obtained from the leaves of Croton cajucara (red morphotype) have been described as active against bacteria, protozoa, and fungi species. In this work, we aimed to evaluate the effectiveness of 7-hydroxycalamenenene against Candida albicans and nonalbicans species.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Croton cajucara; Anti-candidal activity; Essential oil; Óleo essencial; Secreted aspartic proteases.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1040252
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Alternativas para o aproveitamento industrial da pimenta-do-reino (Piper nigrum L.). Infoteca-e
MELO, C. F. M. de; ALVES, S. de M.; HÜHN, S.; BARBOSA, W. C..
1990
Tipo: Séries anteriores (INFOTECA-E) Palavras-chave: Pimenta-do-reino; Tempero; Industria; Conserva; Tecnologia; Pimenta desidratada; Oleo essencial; Resina; Olearesina; Black pepper; Industry; Seasoning; Preserve; Desydrated pepper; Essential oil; Technology; Resin.
Ano: 1990 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/383843
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Analgesic and anti-inflammatory properties of essential oil from Ageratum fastigiatum BABT
Del-Vechio-Vieira,Glauciemar; Sousa,Orlando Vieira de; Miranda,Mariza Abreu; Senna-Valle,Luci; Kaplan,Maria Auxiliadora Coelho.
The chemical composition, analgesic and anti-inflammatory properties of essential oil from Ageratum fastigiatum were investigated. The main compounds found in the essential oil were germacrene D, α-humulene and β-cedrene. The oil, with LD50 of 2.50 g/kg, inhibited the acetic acid-induced writhing at the dose of 200 mg/kg. In the formalin test, the oil inhibited the first phase (200 mg/kg) and the second phase (100 mg/kg and 200 mg/kg). In the hot plate test, after 30 and 60 min of treatment the doses of 100 and 200 mg/kg increased the reaction time. The antiedematogenic effect, reduction on the exudate volume and leukocyte mobilization were observed at the doses of 100 and 200 mg/kg. The results indicated that A. fastigiatum possessed the analgesic and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ageratum fastigiatum; Essential oil; Nociception; Inflammation.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500008
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Analysis of essential oils from breu samples collected in Alto Erepecuru region, Brazilian Amazon. Repositório Alice
SILVA, E. R. da; OLIVEIRA, D. R. de; BIZZO, H. R.; MELO, M. de F. F.; LEITÃO, S. G..
2015
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Protium; Breu; Essential oil; P-cymene.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1029355
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Anesthetic activity of Brazilian native plants in silver catfish (Rhamdia quelen) Neotropical Ichthyology
Silva,Lenise de Lima; Silva,Daniela Thomas da; Garlet,Quelen Iane; Cunha,Mauro Alves; Mallmann,Carlos Augusto; Baldisserotto,Bernardo; Longhi,Solon Jonas; Pereira,Ana Maria Soares; Heinzmann,Berta Maria.
There is an increasing demand for inexpensive and safe anesthetics that can reduce fish stress caused by some procedures such as capture and handling. In this context, the present study evaluated the potential of essential oils (EO) of three Brazilian native plants (Hesperozygis ringens, Lippia sidoides and Ocotea acutifolia) as anesthetics for the silver catfish - Rhamdia quelen. Moreover, an analysis was made of the chemical composition of these oils and their influence on stress parameter. EO of H. ringens and O. acutifolia were effective as anesthetics, without behavioral side effects. EO of O. acutifolia (150 µL L-1) promoted an increase in blood glucose level. Regarding to the composition, pulegone accounts for 96.63% of the EO of H. ringens, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Essential oil; Hesperozygis ringens; Lippia sidoides; Ocotea acutifolia; Stress.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000200443
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Antibacterial activity, chemical composition, and cytotoxicity of leaf's essential oil from Brazilian pepper tree (Schinus terebinthifolius, Raddi) BJM
Silva,A.B.; Silva,T.; Franco,E.S.; Rabelo,S.A.; Lima,E.R.; Mota,R.A.; Câmara,C.A.G. da; Pontes-Filho,N.T.; Lima-Filho,J.V..
The antibacterial potential of leaf's essential oil (EO) from Brazilian pepper tree (Schinus terebinthifolius Raddi) against staphylococcal isolates from dogs with otitis externa was evaluated. The minimum inhibitory concentration of EO ranged from 78.1 to 1,250 fg/mL. The oil was analyzed by GC and GC/MS and cytotoxicity tests were carried out with laboratory animals.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Essential oil; Brazilian pepper tree; Schinus terebinthifolius; Otitis externa; Staphylococcus.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822010000100023
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Anti-candidal activity of 7-hydroxycalamenene isolated from croton cajucara. Repositório Alice
AZEVEDO, M. M. B.; CHAVES, F. C. M.; BIZZO, H. R.; ALVIANO, C. S.; ALVIANO, D. S..
The leaves and bark from Croton cajucara Benth (family Euphorbiaceae), a shrub from the Amazon, have been used locally used in folk medicine to treat, diabetes, malaria, grastrointestinal and liver disorders.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: 7-hydroxycalamenene; Croton cajucara; Red sacaca; Essential oil; Anti-Candidal activity.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/934206
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Antifungal activity of Piper diospyrifolium Kunth (Piperaceae) essential oil BJM
Vieira,Silvia Cristina Heredia; Paulo,Luis Fernando de; Svidzinski,Terezinha Inez Estivaleti; Dias Filho,Benedito Prado; Nakamura,Celso Vataru; Souza,Amanda de; Young,Maria Cláudia Marx; Cortez,Diógenes Aparício Garcia.
In vitro activity of the essential oil from Piper diospyrifolium leaves was tested using disk diffusion techniques. The antifungal assay showed significant potencial antifungal activity: the oil was effective against several clinical fungal strains. The majority compounds in the essential oil were identified as sesquiterpenoids by GC-MS and GC-FID techniques.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Piper diospyrifolium; Essential oil; Antifungal activity.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000300020
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Antifungal activity of the essential oil from Calendula officinalis L. (asteraceae) growing in Brazil BJM
Gazim,Zilda Cristiane; Rezende,Claudia Moraes; Fraga,Sandra Regina; Svidzinski,Terezinha Inez Estivaleti; Cortez,Diógenes Aparicio Garcia.
This study tested in vitro activity of the essential oil from flowers of Calendula officinalis using disk-diffusion techniques. The antifungal assay results showed for the first time that the essential oil has good potential antifungal activity: it was effective against all 23 clinical fungi strains tested.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calendula officinalis; Essential oil; Antifungal activity.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000100015
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Antimicrobial activity and chemical constituents of essential oils and oleoresins extracted from eight pepper species Ciência Rural
Martinelli,Laira; Rosa,Jessica Miranda; Ferreira,Carolina dos Santos Bragine; Nascimento,Gustavo Marcelo da Luz; Freitas,Mateus Silveira; Pizato,Luiz Carlos; Santos,Wanderson de Oliveira; Pires,Ricardo Francisco; Okura,Mônica Hitomi; Malpass,Geoffroy Roger Pointer; Granato,Ana Claudia.
ABSTRACT: Essential oils are the most important compounds produced during secondary metabolism in aromatic plants. Essential oils are volatile, have characteristic odor and are used as defensive agents by plants. In pepper, it is possible to say that essential oils are the “flavor fingerprint” of each species. In the present article, eight species of pepper were studied in order to extract their essential oils and oleoresins, test their antibacterial and antifungal activities and also to identify the compounds present in the most bioactive samples. Results demonstrated that two essential oils [Pimenta dioica (L.) Merr. and Schinus terebinthifolius] and three oleoresins (Schinus terebinthifolius and Piper nigrum white and black) recorded significant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Peppers; Essential oil; Oleoresins; Antimicrobial activity; GC-MS.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000500451
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Antimicrobial activity of essential oils from Pimenta pseudocaryophyllus and Tynanthus micranthus BABT
Custódio,Dayana Lacerda; Burgo,Rafaela Pinheiro; Moriel,Bárbara; Barbosa,Aneli de Melo; Rezende,Maria Ines; Daniel,Juliana Feijó de Souza; Pinto,Jurandir Pereira; Bianchini,Edmilson; Faria,Terezinha de Jesus.
The present study describes the chemical composition and antimicrobial activity of essential oils obtained by hydrodistillation from the leaves of Pimenta pseudocaryophyllus (1.0% w/w) and Tynanthus micranthus (1.1% w/w). GC and GC/MS analysis demonstrated that eugenol was the only component in the T. micranthus essential oil (99.9%) and the major component in the P. pseudocaryophyllus essential oil (92.59%), which also presented methyleugenol, terpinen-4-ol, o-cymene and (E)-caryophyllene, among others. Both the oils presented antimicrobial activity against bacteria, yeast and filamentous fungi tested.The Bioautography test revealed that eugenol was the bioactive component in both the oils against Cladosporium herbarum. This is the first report about the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pimenta pseudocaryophyllus; Tynanthus micranthus; Essential oil; Antimicrobial activity.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000600013
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Antimicrobial activity of essential oils from Piper hispidum and Piper hispidinervum. Repositório Alice
OLIVEIRA, M. R. de; FERREIRA, C. C.; SOUZA, M. G. de; CHAVES, F. C. M..
The objective of this work was to evaluate the antimicrobial activities of the plants Piper hispidum and P. hispidinervum.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Essential oil; Piper hispidum; Piper hispidinervum; Óleo essencial.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1028623
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Antimicrobial activity of the essential oil from Lippia sidoides, carvacrol and thymol against oral pathogens BJMBR
Botelho,M.A.; Nogueira,N.A.P.; Bastos,G.M.; Fonseca,S.G.C.; Lemos,T.L.G.; Matos,F.J.A.; Montenegro,D.; Heukelbach,J.; Rao,V.S.; Brito,G.A.C..
Dental caries and periodontal disease are associated with oral pathogens. Several plant derivatives have been evaluated with respect to their antimicrobial effects against such pathogenic microorganisms. Lippia sidoides Cham (Verbenaceae), popularly known as "Alecrim-pimenta" is a typical shrub commonly found in the Northeast of Brazil. Many plant species belonging to the genus Lippia yield very fragrant essential oils of potential economic value which are used by the industry for the commercial production of perfumes, creams, lotions, and deodorants. Since the leaves of L. sidoides are also extensively used in popular medicine for the treatment of skin wounds and cuts, the objective of the present study was to evaluate the composition and antimicrobial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lippia sidoides; Essential oil; Antimicrobial activity; Oral pathogens.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007000300010
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Antimicrobial and aromatic edible coating on fresh-cut pineapple preservation Ciência Rural
Bitencourt,Raphaela Gabri; Possas,Arícia Mara Melo; Camilloto,Geany Peruch; Cruz,Renato Souza; Otoni,Caio Gomide; Soares,Nilda de Fátima Ferreira.
The present research aimed to develop an edible coating incorporated with mint essential oil, evaluate its effectiveness in inhibiting in vitro microbial development, and improve both quality and shelf-life of fresh-cut pineapple. Mint essential oil-containing edible coatings showed in vitro antimicrobial efficiency against Escherichia coli and Salmonella Enteritidis. Titratable acidity, pH, and texture were not affected (P>0.05) by coating or storage time. Mass loss was not higher than 1.0% after the 6th day of storage. No effect of storage time and coating on total soluble solids was observed. Mint essential oil-containing coatings inhibited the growth of yeasts and molds in fresh-cut pineapple. Compared to uncoated and control-coated samples, mint...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Minimal processing; Edible coating; Essential oil; Pineapple.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000600027
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Antimicrobial effectiveness of spices: an approach for use in food conservation systems BABT
Souza,Evandro Leite de; Stamford,Tânia Lúcia Montenegro; Lima,Edeltrudes de Oliveira; Trajano,Vinícius Nogueira; Barbosa Filho,José Maria.
There has been constant an increasing the search alternative and efficient compounds for food conservation, aiming a partial or total replacement of antimicrobial chemical additives. Spices offer a promising alternative for food safety. Inhibitory activity of spices and derivatives on the growth of bacteria, yeasts, fungi and microbial toxins synthesis has been well reported, so they could be used in food conservation as main or as adjuvant antimicrobial compounds in order to assure the production of microbiologically stable foods.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Spices; Essential oil; Extracts; Chemical compounds; Antibacterial activity; Antifungal activity.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000500007
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Antinociceptive effects of the essential oil of Croton nepetaefolius on mice BJMBR
Abdon,A.P.V.; Leal-Cardoso,J.H.; Coelho-de-Souza,A.N.; Morais,S.M.; Santos,C.F..
Croton nepetaefolius Baill., is an aromatic plant native to the northeast of Brazil where it is extensively used in folk medicine as a sedative, orexigen and antispasmodic agent. In the present study the antinociceptive effects of the essential oil of C. nepetaefolius (EOCn), administered orally, were evaluated in male Swiss mice (20-25 g). In the acetic acid-induced writhing test, EOCn (100 and 300 mg/kg; N = 14 and N = 12, respectively) was effective at the highest dose. In the hot-plate test, EOCn at 30 and 300 mg/kg, but not at 3 mg/kg, significantly increased the latency at all observation times up to the 180th min (N = 12 for each dose). In the formalin test, EOCn significantly reduced paw licking in the second phase of the test at 100 mg/kg (N =...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Croton nepetaefolius; Essential oil; Analgesic; Antinociception; Formalin test; Hot-plate test.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2002001000015
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Antinociceptive effects of the essential oil of Croton zehntneri in mice BJMBR
Oliveira,A.C.; Leal-Cardoso,J.H.; Santos,C.F.; Morais,S.M.; Coelho-de-Souza,A.N..
Croton zehntneri is an aromatic plant native to Northeastern Brazil, where it is often used in folk medicine. In the present study the antinociceptive effects of the essential oil of Croton zehntneri (EOCz) were evaluated in mice. EOCz administered orally at doses of 100 and 300 mg/kg reduced paw licking time in the second phase of the formalin test from the control value of 41.61 ± 8.62 to 12.01 ± 7.97 and 6.57 ± 3.42 s, respectively. During the first phase of the formalin test only 300 mg/kg induced a significant alteration (from 58.2 ± 7.02, control, to 28.7 ± 4.73 s). The number of contortions in response to intraperitoneal injections of acetic acid did not differ significantly between controls (80.6 ± 9.01) and experimental (300 mg/kg body weight)...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Croton zehntneri; Essential oil; Analgesic; Antinociception; Formalin test; Hot-plate test.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2001001100016
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Antinociceptive properties of the essential oil of Ocimum gratissimum L. (Labiatae) in mice BJMBR
Rabelo,M.; Souza,E.P.; Soares,P.M.G.; Miranda,A.V.; Matos,F.J.A.; Criddle,D.N..
We have investigated the antinociceptive effects of the essential oil of Ocimum gratissimum L. (Labiatae) (EOOG) in two classical models of pain in male Swiss mice (25-35 g), the writhing test and the formalin test. At doses of 30, 100 and 300 mg/kg (po), EOOG produced a dose-dependent inhibition (from 58.3 ± 4.4 to 40.7 ± 6.3, 36.4 ± 3.6 and 24.6 ± 3.6, respectively; N = 8-10, P<0.05) of acetic acid-induced writhing, causing up to a ~60% inhibition at the highest dose used, comparable to that obtained with indomethacin (10 mg/kg, po). At the same doses, EOOG predominantly inhibited the late (inflammatory) phase of the formalin-induced pain response (from 59.3 ± 8.3 to 40.4 ± 4.8, 23.2 ± 2.8 and 25.3 ± 5.5, respectively; N = 6, P<0.05), with a...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Ocimum gratissimum L.; Labiatae; Essential oil; Antinociception.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000400016
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Anxiolytic effects of repeated treatment with an essential oil from Lippia alba and (R)-(-)-carvone in the elevated T-maze BJMBR
Hatano,V.Y.; Torricelli,A.S.; Giassi,A.C.C.; Coslope,L.A.; Viana,M.B..
Lippia alba (Mill.) N.E. Brown (Verbenaceae) is widely used in different regions of Central and South America as a tranquilizer. The plant’s anxiolytic properties, however, merit investigation. The present study evaluated the effects of repeated daily (14 days) intraperitoneal (ip) treatment with an essential oil (EO) from a chemotype of L. alba (LA, chemotype II, 12.5 and 25 mg/kg; N = 6-8) and (R)-(-)-carvone (25 mg/kg; N = 8-12), the main constituent of this chemotype, on male Wistar rats (weighing 250 g at the beginning of the experiments) submitted to the elevated T-maze (ETM). The ETM allows the measurement of two defensive responses: inhibitory avoidance and one-way escape. In terms of psychopathology, these responses have been related to...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Lippia alba; Essential oil; Carvone; Anxiety; Elevated T-maze.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000300009
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Aproveitamento de carotenos em óleo essencial de tangerina cravo. Infoteca-e
CASCON, S.C..
1982
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Tangerina Cravo; Oleo essencial; Citrus; Essential oil.
Ano: 1982 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/410572
Registros recuperados: 148
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