마 추출물의 구강병 원인균에 대한 항균력

Abstract

Antibacterial Activities against Oral Microbes by Yam Extract Gi-Ok Jung Department of Dental Hygiene, Daegu Health College Key words : Antibacterial Activity, Oral Microbes, Yam Yam was stepwise extracted with hexane, chloroform, ethyl acetate, butanol, and water. Antibacterial activity of each extract was investigated. 1. Methanol extract of Yam was examed against to antibacterial effects on S. mutans KCTC 5316, P. gingivalis KCTC 5352, S. aureus KCTC 1927 by means of agar diffusion method. 2. The methanol extract of Yam was showed very powerfull antibacterial activity on S. mutans, but not showed on P. gingivalis, and S. aureus. 3. The MIC of Yam hexane fraction was 0.25 ㎎/㎖ for S. mutans KCTC 5316 4. The Yam hexane fraction strong inhibited the growth of S. mutans, in the culture medium at concentration of 0.25㎎/㎖.