Study on antimicrobial activity of chitosan with different molecular weights

被引：978

作者：

Zheng, LY ^{[1
]}

Zhu, JAF ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Chem & Biochem Engn, Hangzhou 310027, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2003年 / 54卷 / 04期

基金：

中国国家自然科学基金;

关键词：

chitosan; antimicrobial activity; molecular weight; E; coli; Staphylococcus aureus;

D O I：

10.1016/j.carbpol.2003.07.009

中图分类号：

O69 [应用化学];

学科分类号：

081704 [应用化学];

摘要：

E. coli and Staphylococcus aureus are used to study the antimicrobial activity of chitosan of different molecular weights (MW). The effect of the concentration and MW of chitosan were investigated, respectively, and the antimicrobial mechanism was discussed. For chitosan with MW below 300 kDa, the antimicrobial effect on S. aureus was strengthened as the MW increased. In contrast, the effect on E. coli was weakened. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：527 / 530

页数：4

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