Now showing items 1-8 of 8
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.
Comparative study of disk diffusion and microdilution methods for evaluation of antifungal activity of natural compounds against medical yeasts Candida spp and Cryptococcus sp
(Revista de Ciências Farmacêuticas Básica e Aplicada, 2007-12-01) [Artigo]
Antifungal activity of natural products has been tested by adapting methods designed for synthetic drugs. In this study, two methods for the determination of antifungal activity of natural products, agar diffusion and broth ...
Profile of Maytenus aquifolium action over free radicals and reactive oxygen species
(Revista Brasileira de Ciencias Farmaceuticas/Brazilian Journal of Pharmaceutical Sciences, 2007-07-01) [Artigo]
Reactive oxygen species (ROS) and free radical species have been implicated in initiating, accompanying or causing many diseases in living organisms; there is thus, a continual need for antioxidants molecules to inactivate ...
Does cotinine act upon reactive oxygen species and peroxidases?
(Eclética Química, 2007-06-19) [Artigo]
Nicotine, an oxidizing agent, is certainly one of the most widely used alkaloids in the world. It is, together with its main metabolite, cotinine, responsible for tobacco-dependence. The use of tobacco is closely associated ...
Identification of a gene encoding adaptin-like protein in the Paracoccidioides brasiliensis genome by random amplified polymorphic DNA analysis
(Journal of Medical Microbiology, 2007-07-01) [Artigo]
Paracoccidioides brasiliensis isolates are not homogeneous in their patterns of pathogenicity in animals and adhesion to epithelial cells. During this investigation, genotypic differences were observed between two samples ...
Citotoxicity and immune response induced by organopalladium(II) compounds in mice bearing Ehrlich ascites tumour
(Journal of the Brazilian Chemical Society, 2007-12-01) [Artigo]
Cyclometallated palladium(II) complexes are reactive inorganic compounds employed in several biological studies because of their antitumour potential and interaction with immune system. In the present study, the immune and ...
The use of standard methodology for determination of antifungal activity of natural products against medical yeasts Candida sp and Cryptococcus sp
(Brazilian Journal of Microbiology, 2007-09-01) [Artigo]
Metodologias para determinar atividade antifúngica foram desenvolvidas com adaptações para avaliar produtos naturais. As mais usadas são bioautografia e o método de difusão em agar, que empregam meios de cultura complexos, ...
Evaluation of micronuclei frequency in Tradescantia pallida pollen mother cells treated with ethanolic extracts isolated from Cryptocarya mandioccana, Cryptocarya moschata and Pterogyne nitens
(Revista Brasileira de Toxicologia, 2007-12-01) [Artigo]
Although herbal extracts contain several classes of compounds with pharmacological activity, they also present toxic substances with mutagenic effects. The aim of the present study was to verify the mutagenicity of Cryptocarya ...