Influence of Hydroxyl Groups of Quaternized Chitosan Derivatives on Antioxidant Activity

被引：1
作者：
Wang, Gang [1 ]
Li, Qing [1 ]
Dong, Fang [1 ]
Guo, Zhanyong [1 ]
机构：
[1] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Shandong, Peoples R China
来源：
ASIAN JOURNAL OF CHEMISTRY | 2014年 / 26卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Quaternized chitosan; Hydroxyl group; Antioxidant activity; MOLECULAR-WEIGHT;
D O I：
10.14233/ajchem.2014.16292
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Four quaternized chitosan derivatives i. e., N-phenmethyl-N, N-dimethyl chitosan, N-(2-hydroxyl-phenmethyl)-N, N-dimethyl chitosan, N-(4-hydroxyl-phenmethyl)-N, N-dimethyl chitosan and N-(3,4-dihydroxyl-phenmethyl)-N, N-dimethyl chitosan were synthesized and their antioxidant activity against hydroxyl radicals was assessed. The result indicated that all the quaternized chitosan derivatives have better hydroxyl radical scavenging activity than chitosan and the antioxidant activity of derivatives increases when more hydroxyl groups are grafted.
引用
收藏
页码：5008 / 5010
页数：3
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