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Composição química de Aegiphila sellowiana Cham. (Verbenaceae)
(Revista Brasileira de Farmacognosia, 1996-01-01) [Artigo]
Este trabalho contribui para a caracterização química de Aegiphila sellowiana Cham. (Verbenaceae). As partes aéreas da planta foram extraídas corn solventes orgânicos e fracionadas cromatograficamente. As frações resultantes ...
Effect of the decontamination using gamma irradiation on the essential oil of Turnera diffusa Wild.
(Revista Brasileira de Farmacognosia, 2008-09-01) [Artigo]
Este trabalho descreve a investigação do óleo essencial, obtido das partes aéreas de Turnera diffusa (Turneraceae) submetida a descontaminação usando irradiação com 60Co (raios gama). As analises dos óleos irradiados nos ...
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 ...
Preparative isolation of a novel flavonoid from an infusion of Byrsonima basiloba leaves by high-speed counter-current chromatography
(Natural Product Communications, 2007-01-01) [Artigo]
A method for the isolation of three compounds from the infusion of leaves of Byrsonima basiloba A. Juss. by high-speed counter-current chromatography (HSCCC) was developed. This technique led to the separation of a novel ...
Secondary Metabolites of Miconia rubiginosa
(Journal of Medicinal Food, 2011-07-01) [Artigo]
The Miconia genus is the most representative of the Melastomataceae family, and some species are commonly used in Brazilian folk medicine as anti-inflammatory agents. In this work we investigated the leaves from Miconia ...
Controle de qualidade dos extratos polares de Turnera diffusa Willd. ex Schult., Turneraceae
(Revista Brasileira de Farmacognosia, 2010-05-01) [Artigo]
Este trabalho descreve o desenvolvimento de metodologia para o controle de qualidade dos extratos etanólicos e infusão de Turnera diffusa Willd. ex Schult., Turneraceae, usando como marcadores os compostos fenólicos. Essa ...
Flavonoid Detection in Hydroethanolic Extract of Pouteria torta (Sapotaceae) Leaves by HPLC-DAD and the Determination of Its Mutagenic Activity
(Journal Of Medicinal Food, 2014-10-01) [Artigo]
It is well known that phytotherapy has grown in popularity in recent years. Because a drug cannot be administered without ensuring its effectiveness and safety, the standardization and regulation of phytotherapeutic drugs ...
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 of flavonoid and naphthopyranone derivatives from Eriocaulon ligulatum using liquid chromatography tandem mass spectrometry
(Natural Product Communications, 2009-12-01) [Artigo]
Liquid chromatography-electrospray ionization multistage ion trap mass spectrometry (LC-ESI-IT-MS(n)) was used to analyze the secondary metabolites in the methanol extract of the capitulae of Eriocaulon ligulatum. The major ...
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 ...