Now showing items 1-10 of 408
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 ...
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 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 ...
Rapid determination of furosemide by combined spot test/diffuse reflectance spectroscopy to detect doping in sport
(Microchemical Journal, 2013-07-01) [Artigo]
This paper describes the development and application of a simple, cheap, and clean method for the quantification of furosemide in urine samples from athletes, to detect doping, using a combined spot test/diffuse reflectance ...
Development and validation of a HPLC method for standardization of herbal and commercial extracts of Myrcia uniflora
(Revista Brasileira de Farmacognosia, 2011-06-01) [Artigo]
Myrcia uniflora Barb. Rodr., Myrtaceae, popularly known as pedra-hume-caá in Brazil, is sold as dry extracts in capsules or as tinctures for the treatment of diabetes mellitus. Previous phytochemical studies on this species ...
Strategy for cloning of oxidosqualene cyclases from Maytenus ilicifolia
(FEBS Journal, 2012-09-01) [Resumo]
Protease-inhibiting, molecular modeling and antimicrobial activities of extracts and constituents from Helichrysum foetidum and Helichrysum mechowianum (compositae)
(Chemistry Central Journal, 2015-05-30) [Artigo]
Background Helichrysum species are used extensively for stress-related ailments and as dressings for wounds normally encountered in circumcision rites, bruises, cuts and sores. It has been reported that Helichysum species ...