Synthesis and hydroxyl radicals scavenging activity of quaternized carboxymethyl chitosan

被引：79

作者：

Guo, Zhanyong ^{[1
,2
]}

Xing, Ronge ^{[2
]}

Liu, Song ^{[2
]}

Zhong, Zhimei ^{[2
]}

Li, Pengcheng ^{[2
]}

机构：

[1] Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China

[2] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2008年 / 73卷 / 01期

关键词：

quaternized carboxymethyl chitosan; synthesis; antioxidant activity;

D O I：

10.1016/j.carbpol.2007.10.021

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In order to determine the effect of the forms of the amido groups of chitosan on antioxidant activity, quaternized carboxymethyl chitosan (QCMC) derivatives were prepared with a degree of quaternization ranging from 34.3% to 59.5%. The antioxidant activity of QCMCs against hydroxyl radicals was assessed. The results indicated that QCMCs have better hydroxyl radicals scavenging activity than that of carboxymethyl chitosan, as a result of the positive charge of the quaternized chitosan. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：173 / 177

页数：5

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