Results: 1061

Identificacao cromatografica e acao farmacologica de extratos de Styrax camporum Pohl e Caesalpinia ferrea Martius
Chromatographic identification and pharmacologic action of Styrax camporum Pohl and Caesalpina ferrea Martius

As cascas das especies vegetais Styrax camporum Pohl, conhecida popularmente por estoraque do campo ou cuia do brejo, e Caesalpinia ferrea Martius ou pau-ferro, sao ha muito utilizadas em medicina popular como cicatrizantes e no tratamento de ulceras gastroduodenais, recentemente comprovados em trabalhos...

Inibiçäo do crescimento de fungos do grupo Aspergillus flavus pelo extrato da semente de "grapefruit"
Growth inhibition moulds of the group Aspergillus flavus by grapefruit seed extract

Nove isolados e uma amostra padräo de fungos do grupo Aspergillus flavus foram avaliados pela sensibilidade ao extrato da semente de "grapefruit". Os fungos foram submetidos a crescimento em ágar contendo 33,3//de extrato de coco-da-bahia e níveis do antifúngico que variavam logaritmamente desde 80 a...

Atividade antimicrobiana de extratos vegetais e óleos essenciais sobre bactérias causadoras de conjuntivite - uma abordagem fitoterápica em enfermagem de saúde pública

Este trabalho é o resultado de uma pesquisa laboratorial sobre a atividade antimicrobiana de estratos vegetais e óleos essenciais sobre bactérias causadoras de conjuntivite, realizada no Laboratório de Tecnologia Farmacêutica da Universidade Federal da Paraíba. Para execuçäo deste utilizou-se o m...

Actividad antibacteriana de plantas usadas en Guatemala para el tratamiento de infecciones

Se realizó el tamizaje antibacteriano de 154 plantas detectadas por encuesta o revisión de literatura por ser usadas medicinalmente en Guatemala, anatómico-fisiológico que más frecuentemente afectan a la población del país, (digestión, respiratorio y dérmico). Se demostró que 67 (43.5%) plantas...

Cardiac glycosides isolated from the Indian-snuff, Maquira sclerophylla Ducke

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
The hydroalcoholic extract of the powdered bark of the Indian-snuff Maquira sclerophylla Ducke was purified by column chromatography in silica-gel and the major cardenolide isolated from preparative TLC was identified by 1H-NMR, 1 2 C-NMR and IR analyses. The spectra showed that the active substance has ...

Genotoxicity of plant extracts

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
Aqueous extracts of seven species used in Brazilian popular medicine (Achyrocline satureoides, Iodina rhombifolia, Desmodium incanum, Baccharis anomala, Tibouchina asperior, Luehea divaricata, Maytenus ilicifolia) were screened to the presence of mutagenic activity in the Ames test (Salmonella/microsome)...

Toxicological and toxicogenetic effects of plants used in popular medicine and in cattle food

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
Toxicological and toxicogenetic effects of aqueous (tea) and hexanica fruit extract of Indigofera suffruticosa Mill, and hydroalcoholic root extract od Solanum agrarium Stendt. Were evaluated in Balb C male mice intraperitoneally exposed. A hepatotoxic effect was observed just for animals treated with aq...

Inhibition of gastric secretion by a water extract from Baccharis triptera, Mart

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
Baccharus triptera Mart, is a widespread Compositae used in Brazilian folk medicine to treat gastrointestinal disturbances, rheumatic disease, mild fever, diabetes and as an anti-helminthic. Water extract of small branches of the plant (WE) administered to mice and rats (0.1 to 2 g/Kg, p.o) did not alter...

The water extract of Coleus barbatus Benth decreases gastric secretion in rats

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
Coleus barbatus (Labiatae) Benth is popularly used in Brazil "for the healing of liver and stomach diseases". The water extract (WE 1 to 10 g/Kg, p.o.) of stem and leaves given to rats and mice did not induce signs of intoxication. Preveious treatment of mice with WE (1 g/kg, p.o.) shortened the sleeping...