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Plants of restricted use indicated by three cultures in Brazil (Caboclo-river dweller, Indian and Quilornbola)
(Elsevier B.V., 2007-05-04)
A detailed record of plants cited during ethnopharmacological surveys, suspected of being toxic or of triggering adverse reactions, may be an auxiliary means to pharmacovigilance of phytomedicines, in that it provides ...
Sedative and anticonvulsant effects of hydroalcoholic extract of Equisetum arvense
(Elsevier B.V., 2005-09-01)
The hydroalcoholic extract of Equisetum arvense (HAE) tested at the doses of 200 and 400 mg/kg showed a significant activity on the open-field, enhanced the number of falls in the rotarod reducing the time of permanence ...
The Styracaceae
(Sociedade Brasileira de Farmacognosia, 2006-12-01)
Styracaceae possui 11 gêneros e aproximadamente 160 espécies, sendo árvores e arbustos, distribuídos nas regiões tropicais e subtropicais. Esta família é conhecida principalmente devido ao gênero Styrax, que é notório pela ...
Effect of Mouriri pusa extracts on experimentally induced gastric lesions in rodents: Role of endogenous sulfhydryls compounds and nitric oxide in gastroprotection
(Elsevier B.V., 2006-10-11)
Several plants are used in folk medicine to treat gastrointestinal disorders. Mouriri pusa Gardn. (Melastomataceae) is a medicinal plant commonly used in the central region of Brazil against gastric ulcer. Two organic ...
7-Hydroxycassine: A new 2,6-dialkylpiperidin-3-ol alkaloid and other constituents isolated from flowers and fruits of senna spectabilis (Fabaceae)
(2013-04-02)
The phytochemical study of flowers and green fruits of Senna spectabilis furnished a new substituted 2,6-dialkylpiperidin-3-ol alkaloid, named (-)-7-hydroxycassine, along with five known piperidine alkaloids: (-)-cassine, ...
Effects of Rhizophora mangle on Experimental Colitis Induced by TNBS in Rats
(Hindawi Publishing Corporation, 2012-01-01)
Male Unib-WH rats were pretreated for two weeks with butanolic (BuOH) and ethyl acetate (EtOAc) fractions. Colitis was induced by rectal administration of TNBS, the treatment continued, and animals were sacrificed on day ...
Structure and absolute configuration of a secolignan from Peperomia blanda
(Elsevier B.V., 2011-09-01)
A secolignan, (-)-2-methyl-3-[bis(3 ',4 '-methylenedioxy-5 '-methoxyphenyl) methyl] butyrolactone (1), with a rare cis configuration was isolated from the aerial parts of Peperomia blanda (Piperaceae). The structure of ...
Study of Salmonella typhimurium mutagenicity assay of (E)-piplartine by the Ames test
(Academic Journals, 2011-06-15)
Phytochemical studies carried out with Piperaceae species have shown great diversity of secondary metabolites among which are several displayed considerable biological activities. The species Piper tuberculatum has been ...
Sesquiterpenes from Xylaria sp., an endophytic fungus associated with Piper aduncum (Piperaceae)
(Elsevier B.V., 2010-09-20)
Two new presilphiperfolane sesquiterpenes, 1 and 2, were isolated from the ethyl acetate extract of Xylaria sp., obtained from the leaves of Piper aduncum, along with two known eremophilane sesquiterpenes, phaseolinone (3) ...