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1.
Rev. bras. farmacogn ; 18(supl): 690-695, Dec. 2008. tab
Artículo en Inglés | LILACS | ID: lil-509445

RESUMEN

Byrsonima species, family Malpighiaceae, is popularly known as "murici". There are several properties attributed to the leaves of Byrsonima species including febrifuge, to treat gastrointestinal dysfunctions and skin diseases. In this work, the antimicrobial activity of Byrsonima fagifolia, B. basiloba and B. intermedia extracts obtained from the leaves were evaluated by using the disc-diffusion method. The results obtained showed that the methanol extracts of leaves had presented antimicrobial activity against all the microorganisms tested.


Espécies de Byrsonima, família Malpighiaceae, são popularmente conhecidas como "murici". Existem várias propriedades atribuídas às folhas de espécies de Byrsonima incluindo febrífuga, no tratamento de disfunções gastrintestinais e doenças de pele. Neste trabalho avaliamos a atividade antimicrobiana dos extratos das folhas de Byrsonima fagifolia, B. basiloba e B. intermedia usando o método de difusão em disco. Os resultados obtidos mostraram que os extratos metanólicos das folhas apresentaram atividade antimicrobiana contra todos os microrganismos testados.

2.
J Ethnopharmacol ; 112(2): 319-26, 2007 Jun 13.
Artículo en Inglés | MEDLINE | ID: mdl-17459621

RESUMEN

Byrsonima intermedia is a native species of the cerrado formation (tropical American savannah). In Brazil, this plant has been used for the treatment of fever, in ulcers, as a diuretic, as antiasthmatics and in skin infections. Members of the genus Byrsonima (Malpighiaceae) are employed not only in the folk medicine but also as food to make juice, jellies and liquor. The aim of this work was to evaluate the mutagenic effects of Byrsonima intermedia, common name 'murici'. Phytochemical analysis of methanol extract furnished (+)-catechin, (-)-epicatechin, quercetin-3-O-beta-d-galactopyranoside, methyl gallate, gallic acid, quercetin-3-O-alpha-l-arabinopyranoside, amentoflavone, quercetin, quercetin-3-O-(2''-O-galloyl)-beta-galactopyranoside and quercetin-3-O-(2''-O-galloyl)-alpha-arabinopyranoside. Methanol, hydromethanol and chloroform extracts were evaluated in mutagenic assay with Salmonella typhimurium (Ames test) and mice (Micronucleus test). The methanolic extract presented signs of mutagenic activity for the strains TA98 and TA100 in the Ames assay. Mutagenicity was not observed in vivo.


Asunto(s)
Mutágenos/toxicidad , Plantas/química , Plantas/toxicidad , Animales , Cloroformo , Ciclofosfamida/toxicidad , Metanol , Ratones , Pruebas de Micronúcleos , Extractos Vegetales/toxicidad , Hojas de la Planta/química , Ratas , Reticulocitos/efectos de los fármacos , Reticulocitos/ultraestructura , Salmonella typhimurium/efectos de los fármacos , Salmonella typhimurium/genética , Solventes
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