Antibacterial Activity of Phellodendri Cortex on Dental Caries Bacteria Streptococcus sanguis

구강균 Streptococcus sanguis에 대한 황백의 생육 저해 효과

To develop the natural antibacterial agents which don't have any toxicity against man, collected several species of medicinal plants were tested for their antibacterial activity from dental caries bacteria Streptococcus sanguis. The result of using paper disc method and the result of viable cell counting method, Phellodendri Cortex was selected as antibacterial agent. The high antibacterial activity was acquired at high extraction temperature and long extraction temperature. The antibacterial of Phellodendri Cortex was not effected by the concentration of ethanol.