RESUMO: "Avaliação da atividade antibacteriana de "Mangabarana" Austroplenckia populnea Reissek (Celastraceae)". Austroplenckia populnea (Mangabarana) é popularmente utilizada em Minas Gerais, Brasil, para o tratamento de disenterias. A ela também são atribuídas propriedades antitumoral e antiúlcera. Extratos de partes desta planta obtidos com solventes de diferentes polaridades e triterpenos pentacíclicos (TTPCs) isolados destes, por métodos fitoquímicos foram submetidos a testes de atividade antibacteriana. Os resultados mostraram a existência desta atividade e abriram perspectivas para a continuidade dos estudos com outros compostos orgânicos isolados desta planta.Unitermos: Austroplenckia populnea, Celastraceae, atividade antibacteriana, triterpenos pentacíclicos.ABSTRACT: Austroplenckia populnea (Mangabarana) is popularly used by people from Minas Gerais, Brazil for dysenteries diseases treatment. Antitumor and antiulcer activities were also attributed to this plant. Extracts obtained using solvents of different polarities and pentacyclic triterpenes (PCTTs) isolated from these extracts through phytochemical methods were submitted to antibacterial assays. The results showed the existence of this activity and open perspectives for news studies with other organic compounds isolated from this plant.
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