Antimicrobial activity of two brazilian commercial propolis extracts
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Data
2006-03
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Resumo
The antimicrobial activity of propolis extracts is well documented,
but little is known about the antimicrobial properties of commercial
products containing propolis, since these vary according to the
geographical region in which the propolis is obtained. This study
evaluated the antimicrobial activity of two samples of commercial
propolis on 26 species of microorganisms obtained from ATCC and
some wild strains: Gram-positive cocci and bacilli, and Gram-negative
rods and yeasts. The tested products were two samples of Brazilian
commercial propolis from Apis Flora™: 11.0% ethanolic extract of
propolis (EEP) and Propomax™ 11.0% extract of propolis without
alcohol (EP). Antimicrobial activity was determined by the agar
diffusion technique, well method. MIC was determined for
Staphylococcus sp. and Streptococcus mutans using the method of
broth dilution with the propolis extract in serial concentrations. EEP
and EP showed antimicrobial activity against all tested bacteria and
yeasts, having a more pronounced action against Gram-positive
bacteria and Candida albicans ATCC 10231, and a less evident activity
against Gram-negative and Candida albicans FT2010. For S. mutans,
the EEP MIC ranged from 8.8 to 4.4 mL of propolis, and the EP MIC,
from 4.4 to <1.1 mL. For Staphylococcus sp., the MIC of both extracts
was <1.1.
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Palavras-chave
Microorganisms, Antimicrobial activity, Propolis
Citação
REZENDE, Giovanna Pires da Silva Ribeiro de; PIMENTA, Fabiana Cristina; COSTA, Luciane Ribeiro de Rezende Sucasas da. Antimicrobial activity of two Brazilian commercial propolis extracts. Brazilian Journal of Oral Sciences, Piracicaba, v. 5, n. 16, p. 967-970, 2006.