Antibacterial activity of chitosan acetate on food-borne enteropathogenic bacteria

Jee-Hye Park; Byeongjin Cha; Young Nam Lee

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Antibacterial activity of chitosan acetate on food-borne enteropathogenic bacteria

机译：Antibacterial activity of chitosan acetate on food-borne enteropathogenic bacteria

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摘要

Antibacterial activity of low molecular weight chitosan acetate (Chitopol A Green, MW 40-50 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 percent for both E. coli and S. sonnei, 0.04-0.05 percent for both S. typhi and S. enteritidis, and 0.04 percent for V. vulnificus. Survival fractions of enteropathogenic bacteria at 0.08 and 0.04 percent 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.

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来源
《Food science and biotechnology》 |2003年第1期|100-103|共4页
作者
Jee-Hye Park; Byeongjin Cha; Young Nam Lee;
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作者单位

Div. of Life Sciences and Research Institute for Biotechnology, Chungbuk 361-763, Korea;

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原文格式 PDF
正文语种英语
中图分类食品工业;
关键词
chitosan acetate; food-borne bacteria; antibacterial activity; minimal inhibitory concentration (MIC); survival fraction;

Antibacterial activity of chitosan acetate on food-borne enteropathogenic bacteria

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