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Polibotánica

versão impressa ISSN 1405-2768

Resumo

SALINAS SANCHEZ, David O. et al. Antimicrobial activity of medicinal plants from the Huautla Sierra Biosphere Reserve in Morelos (Mexico). Polibotánica [online]. 2009, n.28, pp. 213-225. ISSN 1405-2768.

Twenty-two extracts from nine Mexican medicinal plants of eight different families used for people neighbor to Huautla Sierra Biosphere Reserve (REBIOSH) in different infectious diseases were assayed in vitro to determine their antibacterial activity against Staphylococcus aureus, Streptococcus faecalis; Escherichia coli; Proteus mirabilis; Salmonella typhi and the yeast Candida albicans. Most plants showed antibacterial activity, while two plants showed activity against range 0.25 a 4 mg/mL almost one microorganism used. The extracts showed minimum inhibitory concentration (MIC) against S. aureus and S. faecalis, represents microorganisms Gram-positive were hexanic and acetonic extracts of Bur ser a copallifera and hexanic extract of B. grandifolia. The ethanol extract of Lippia graveolens showed a MIC value of 1 mg/mL against yeast Candida albicans.

Palavras-chave : antimicrobial activity; minimum inhibitory concentration (MIC); medicinal plants; Huautla Sierra Biosphere Reserve; Morelos.

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