effects of apis mellifera propolis on the activities of streptococcal glucosyltransferases in solution and adsorbed onto saliva-coated hydroxyapatite.propolis, a resinous hive product collected by apis mellifera bees, has been used for thousands of years in folk medicine. ethanolic extracts of propolis (eep) have been shown to inhibit the activity of a mixture of crude glucosyltransferase (gtf) enzymes in solution. these enzymes synthesize glucans from sucrose, which are important for the formation of pathogenic dental plaque. in the present study, the effects of propolis from two different regions of brazil on the activity of separate, purif ...200011014909
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