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Curr Microbiol. 1998 Jan;36(1):24-8.

Antimicrobial activity of propolis on oral microorganisms.

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  • 1College of Food Engineering, State University of Campinas (UNICAMP), 13081-970, Caixa Postal 6177, Campinas, SP, Brazil.

Abstract

Formation of dental caries is caused by the colonization and accumulation of oral microorganisms and extracellular polysaccharides that are synthesized from sucrose by glucosyltransferase of Streptococcus mutans. The production of glucosyltransferase from oral microorganisms was attempted, and it was found that Streptococcus mutans produced highest activity of the enzyme. Ethanolic extracts of propolis (EEP) were examined whether EEP inhibit the enzyme activity and growth of the bacteria or not. All EEP from various regions in Brazil inhibited both glucosyltransferase activity and growth of S. mutans, but one of the propolis from Rio Grande do Sul (RS2) demonstrated the highest inhibition of the enzyme activity and growth of the bacteria. It was also found that propolis (RS2) contained the highest concentrations of pinocembrin and galangin.

PMID:
9405742
[PubMed - indexed for MEDLINE]
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