Antimicrobial activity of Medicinal Plant Extracts against Streptococcus mutans

This study was carried out to research antimicrobial agents from medicinal plants, Lonicera japonica, Pinellia ternata, Dictamnus albus, Cryptotympana pustulata, Pinus densiflora, Bupleurum falcatum, Forsythia saxatilis, Castanea crenata, Hovenia dulcis, Prunus sargentii. The ethanol extracts of 10 medicinal plants were tested for the antimicrobial activity against Streptococcus mutans. The extracts of Pinus densiflora showed significant antimicrobial activity against Streptococcus mutans. These results suggested that the extract from Pinus densiflora could be a candidate for new antimicrobial agents against Streptococcus mutans.