Atividade antibacteriana de Geophila sp (rubiaceae)
DOI:
https://doi.org/10.46311/2318-0579.18.eUJ714Abstract
Neste trabalho avaliou-se a atividade antibacteriana de
extratos de diferentes polaridades de Geophila sp. A atividade
antibacteriana foi medida frente às cepas Bacillus sp, Staphylococcus
aureus, Escherichia coli e Pseudomonas aeruginosa. O extrato
clorofórmico inibiu o crescimento de S.aureus e Bacillus sp. e o extrato
metanólico inibiu, em menor grau de crescimento de Bacillus sp. Os
extratos bioativos foram submetidos a uma investigação fitoquímica que
resultou no isolamento de β-sitosterol, 3-O-β-glicopiranosilsitosterol e de
sacarose. As estruturas das substâncias isoladas foram definidas com base
na análise de dados espectroscópicos de RMN uni e bi-dimensionais e
comparação com os da literatura.
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