Antibacterial activity of chitosan acetate on food-borne enteropathogenic bacteria

被引：0
|
作者：
Park, JH
Cha, B
Lee, YN [1 ]
机构：
[1] Chungbuk Natl Univ, Div Life Sci, Cheongju 361763, Chungbuk, South Korea
[2] Chungbuk Natl Univ, Dept Agr Biol, Chungbuk 361763, South Korea
[3] Chungbuk Natl Univ, Res Inst Biotechnol, Chungbuk 361763, South Korea
来源：
FOOD SCIENCE AND BIOTECHNOLOGY | 2003年 / 12卷 / 01期
关键词：
chitosan acetate; food-borne bacteria; antibacterial activity; minimal inhibitory concentration (MIC); survival fraction;
D O I：
暂无
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Antibacterial activity of low molecular weight chitosan acetate (Chitopol A Green, MW 40similar to50 kD) was examined against food-borne enteropathogens including, Eschericia coli, Vibrio vulnificus, Shigella sonnei, Salmonella typhi, and S. enteritidis by measuring the minimum bacterial growth inhibitory concentrations (MICs) and bacterial survival fraction. MICs of chitosan acetate were variable depending upon bacterial species: 0.08% for both E coli and S. sonnei, 0.04-0.05% for both S. 4,phi and S. enteritidis, and 0.04% for V vulnificus. Survival fractions of enteropathogenic bacteria at 0.08 and 0.04% chitosan acetate were investigated. The fraction of survived cells decreased as the concentration of chitosan acetate increased. The data suggest that Chitopol A Green might be useful as a natural antibacterial food additive.
引用
收藏
页码：100 / 103
页数：4
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