The influence of the cation of quaternized chitosans on antioxidant activity | |
Liu, Jingli1,2,3; Sun, Huili4; Dong, Fang1,2,3; Xue, Qinzhao1; Wang, Gang1; Qin, Song1; Guo, Zhanyong1 | |
发表期刊 | CARBOHYDRATE POLYMERS |
ISSN | 0144-8617 |
2009-10-15 | |
卷号 | 78期号:3页码:439-443 |
关键词 | Quaternized Chitosans Antioxidant Activity Group Electronegativity |
产权排序 | Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev;Chinese Acad Sci, Inst Oceano;Chinese Acad Sci, Grad Sch;Chinese Acad Sci, S China Sea Inst Oceanol |
通讯作者 | Guo, ZY, Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China |
作者部门 | 生物资源实验室 |
英文摘要 | Various quaternized chitosans (QCSs) were synthesized according to previous method. Their reducing power and antioxidant potency against hydroxyl radicals ((center dot)OH) and hydrogen peroxide (H(2)O(2)) were explored by the established systems in vitro. The QCSs exhibited markedly antioxidant activity, especially TCEDMCS, whose IC(50) on hydroxyl radicals was 0.235 mg/mL. They showed 65-80% scavenging effect on hydrogen peroxide at a dose of 0.5 mg/mL. Generally, the antioxidant activity decreased in the order TCEDMCS > TBEDMCS > EDMCS > PDMCS > IBDMCS > Chitosan. Furthermore, the order of their (center dot)OH and H(2)O(2) scavenging activity was consistent with the electronegativity of different substituted groups in the QCSs. The QCSs showed much stronger antioxidant activity than that of chitosan may be due to the positive charge density of the nitrogen atoms in QCSs strengthened by the substituted groups. (C) 2009 Elsevier Ltd. All rights reserved. |
文章类型 | Article |
资助机构 | key technology research and development programme of Shandong Province [2007GG2QT06020]; Chinese Academy of Sciences |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | RADICALS SCAVENGING ACTIVITY ; PEROXIDE ; DAMAGE ; TEA |
研究领域[WOS] | Chemistry ; Polymer Science |
WOS记录号 | WOS:000269991800010 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/3481 |
专题 | 海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室 中国科学院海岸带环境过程与生态修复重点实验室_污染过程与控制实验室 中国科学院烟台海岸带研究所知识产出 |
作者单位 | 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 3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 4.Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Jingli,Sun, Huili,Dong, Fang,et al. The influence of the cation of quaternized chitosans on antioxidant activity[J]. CARBOHYDRATE POLYMERS,2009,78(3):439-443. |
APA | Liu, Jingli.,Sun, Huili.,Dong, Fang.,Xue, Qinzhao.,Wang, Gang.,...&Guo, Zhanyong.(2009).The influence of the cation of quaternized chitosans on antioxidant activity.CARBOHYDRATE POLYMERS,78(3),439-443. |
MLA | Liu, Jingli,et al."The influence of the cation of quaternized chitosans on antioxidant activity".CARBOHYDRATE POLYMERS 78.3(2009):439-443. |
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