Now showing items 1-10 of 97
Phenolic compounds in leaves of Alchornea triplinervia: anatomical localization, mutagenicity, and antibacterial activity
(Natural Product Communications, 2010-08-01) [Artigo]
Phenolic compounds are produced by secretory idioblasts and hypodermis, and by specialized cells of the epidermis and chlorenchyma of leaves of Alchornea triplinervia. Phytochemical investigation of these leaves led to the ...
Mutagenic Activity of Indigofera truxillensis and I. suffruticosa Aerial Parts
(Evidence-based Complementary and Alternative Medicine, 2011-01-01) [Artigo]
Indigofera truxillensis and I. suffruticosa, are used as a source of indigo dye and to treat several diseases. The mutagenic activity of the methanolic extracts from aerial parts, glycerolipid, flavonoid and alkaloid ...
Characterization and Quantification of Compounds in the Hydroalcoholic Extract of the Leaves from Terminalia catappa Linn. (Combretaceae) and Their Mutagenic Activity
(Evidence-based Complementary and Alternative Medicine, 2014-01-01) [Artigo]
Terminalia is a genus of Combretaceous plants widely distributed in tropical and subtropical regions. Thus, the aim of this study was to quantify the majority compounds of the hydroalcoholic extract (7 : 3, v/v) of the ...
Intermediate reactive oxygen and nitrogen from macrophages induced by Brazilian lichens
(Fitoterapia, 2004-07-01) [Artigo]
The activity of ten compounds isolated from Brazilian lichen over the release of hydrogen peroxide and nitric oxide was evaluated in the culture of peritoneal macrophage cells from mice. Salazinic, secalonic A and ...
Antimicrobial activity of Byrsonima species (Malpighiaceae)
(Revista Brasileira de Farmacognosia, 2008-12-01) [Artigo]
Espécies de Byrsonima, família Malpighiaceae, são popularmente conhecidas como murici. Existem várias propriedades atribuídas às folhas de espécies de Byrsonima incluindo febrífuga, no tratamento de disfunções gastrintestinais ...
Antioxidant activity of Agaricus blazei
(Fitoterapia, 2007-04-01) [Artigo]
The ethanolic extract of Agaricus blazei and ethyl acetate and hydroalcoholic fractions were evaluated for their antioxidant activity. (C) 2007 Elsevier B.V. All rights reserved.
Antioxidant activity of Maytenus ilicifolia root bark
(Fitoterapia, 2006-04-01) [Artigo]
Maytenus ilicifolia is an important plant with potential on cancer treatment and has been largely used in Brazil and other countries. We have evaluated the crude ethanolic extract of M. ilicifolia as a potential antioxidant ...
Ação do extrato metanólico e etanólico de Davilla elliptica St. Hill. (Malpighiaceae) na resposta imune
(Revista Brasileira de Farmacognosia, 2005-03-01) [Artigo]
Plantas têm contribuído no tratamento da maioria das doenças. Considerando a importância terapêutica das plantas medicinais, foi avaliada a atividade imunológica dos extratos metanólico e etanólico de Davilla elliptica. ...
Immunostimulatory effects of the phenolic compounds from lichens on nitric oxide and hydrogen peroxide production
(Brazilian Journal of Pharmacognosy, 2009-10-01) [Artigo]
The effects of isolated compounds from Brazilian lichens and their derivatives on H 2O 2 and NO production were studied using murine macrophages as a part of an attempt to understand their possible immunomodulatory properties. ...
New antifungal terpenoid glycosides from Alibertia edulis (Rubiaceae)
(Helvetica Chimica Acta, 2008-01-01) [Artigo]
Phytochemical investigation from the stems of Alibertia edulis led to the isolation and identification of a new iridoid 6 beta-hydroxy-7-epigardoside methyl ester (1) and a new saponin 3 beta-O-[alpha-L-rhamnopyranosyl-(1 ...