| effect of apis mellifera propolis from two brazilian regions on caries development in desalivated rats. | the purpose of the present study was to evaluate the effect of apis mellifera propolis collected from two regions of brazil on caries development in desalivated rats. ethanolic extracts of propolis (eep) were prepared from crude propolis samples collected in minas gerais state (mg), southeastern brazil, and rio grande do sul state (rs), southern brazil. the flavonoid composition of eep was analyzed by high-performance thin-layer chromatography (hptlc) and reversed-phase high-performance liquid c ... | 1999 | 10460964 |