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Brazilian Journal of Microbiology

Print version ISSN 1517-8382On-line version ISSN 1678-4405


CELOTTO, Andréa Carla et al. Evaluation of the in vitro antimicrobial activity of crude extracts of three Miconia species. Braz. J. Microbiol. [online]. 2003, vol.34, n.4, pp.339-340. ISSN 1678-4405.

The antimicrobial activity of nine crude extracts of three Miconia species (M. albicans, M. rubiginosa and M. stenostachya) was tested against eleven selected microorganisms: Staphylococcus aureus, Staphylococcus saprophyticus, Proteus mirabilis, Escherichia coli, Enterococcus faecalis, Shigella flexneri, Klebsiella pneumoniae, Salmonella sp, Pseudomonas aeruginosa, Streptococcus agalactiae and Candida albicans. The results of the test showed that three extracts had some antimicrobial activity by well diffusion method. The ethanol extracts of Miconia albicans and Miconia rubiginosa were the most active.

Keywords : antimicrobial activity; Miconia; Melastomataceae.

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