Li, Qing1,2
; Mi, Yingqi1,3; Tan, Wenqiang1,2; Guo, Zhanyong1,2发表期刊INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
ISSN0141-8130
2020-12-01
卷号164页码:4279-4288
关键词ChitosanFree radical-scavengingChemical modification
DOI10.1016/j.ijbiomac.2020.08.250
通讯作者Guo, Zhanyong(zhanyongguo@hotmail.com)
英文摘要Chitosan is an abundant and renewable polysaccharide, and chemical modification can be used to enhance the biological properties of chitosan. In this study, monophenol and ortho-diphenol were introduced to chitosan through chemical modification to get chitosan derivatives owned high antioxidant activity. Their free radical-scavenging activity against three free radicals and reduction ability was tested. Based on the four antioxidant assay, the antioxidant ability of the synthesized chitosan derivatives exhibited a remarkable improvement over chitosan. The IC50 of inhibition of DPPH, hydroxyl ((OH)-O-center dot), and superoxide (O2 center dot-) radical-scavenging was 41-172, 10-89, and 14-38 mu g/mL, respectively. Meanwhile, ortho-diphenol was more efficient group than monophenol on the improvement of antioxidant ability of chitosan derivatives. The possible free radical-scavenging mechanism, including the number of the hydroxyl groups and the presence ortho-dihydroxy substitution for the antioxidant ability were discussed. In vitro studies demonstrated that the constructed chitosan derivatives have good biocompatibility, and good antioxidant capacity to reduce oxidative stress. Functionalization of chitosan with phenolic group allows the possible applications on the therapy of oxidative-related diseases. (C) 2020 Elsevier B.V. All rights reserved.
资助机构Key Technology Research and Development Program of Shandong; Natural Science Foundation of Shandong; National Key Research & Development Program of China
收录类别SCI
语种英语
关键词[WOS]ANTIOXIDANT ACTIVITY; INULIN DERIVATIVES; OXIDATIVE STRESS; FLAVONOIDS; POLYPHENOLS; MECHANISMS; AGENTS; DPPH; DFT
研究领域[WOS]Biochemistry & Molecular Biology; Chemistry; Polymer Science
WOS记录号WOS:000588093700407
引用统计被引频次：2[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/27514
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
海岸带生物学与生物资源利用重点实验室_海岸带生物资源高效利用研究与发展中心
通讯作者Guo, Zhanyong作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Shandong, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714Li, Qing,Mi, Yingqi,Tan, Wenqiang,et al. Highly efficient free radical-scavenging property of phenolic-functionalized chitosan derivatives: Chemicalmodification and activity assessment[J]. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,2020,164:4279-4288.
APALi, Qing,Mi, Yingqi,Tan, Wenqiang,&Guo, Zhanyong.(2020).Highly efficient free radical-scavenging property of phenolic-functionalized chitosan derivatives: Chemicalmodification and activity assessment.INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,164,4279-4288.
MLALi, Qing,et al."Highly efficient free radical-scavenging property of phenolic-functionalized chitosan derivatives: Chemicalmodification and activity assessment".INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 164(2020):4279-4288.
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