COMBINATION EFFECTS OF ANTIBACTERIAL COMPOUNDS IN GREEN TEA FLAVOR AGAINST STREPTOCOCCUS-MUTANS

被引:62
作者
MUROI, H [1 ]
KUBO, I [1 ]
机构
[1] UNIV CALIF BERKELEY,COLL NAT RESOURCES,DIV ENTOMOL & PARASITOL,BERKELEY,CA 94720
关键词
D O I
10.1021/jf00031a017
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Combinations of green tea flavor compounds with indole were tested for antibacterial activity against Streptococcus mutans, a bacterium responsible for causing dental caries. Synergism was found in the combination of sesquiterpene hydrocarbons (delta-cadinene and beta-caryophyllene) with indole; their bactericidal activities increased from 128-fold to 256-fold. The combination effect was confirmed by time-kill curve assay which showed that 6.25 mug/mL delta-cadinene combined with 400 mug/mL (subinhibitory concentration) indole was bactericidal against S. mutans. Furthermore, the combination of 25 mug/mL delta-cadinene and 400 mug/mL indole reduced the number of viable cells at any stage of growth.
引用
收藏
页码:1102 / 1105
页数:4
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