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Synthesis, characterization, and antioxidant activity of carboxymethyl chitosan derivatives containing sulfonium salt

文献类型：期刊论文

作者Sun, Xueqi1,2,3; Zhang, Jingjing1,2,3; Mi, Yingqi1,2,3; Miao, Qin1,2,3; Tan, Wenqiang2,3; Li, Qing2,3; Guo, Zhanyong1,2,3
刊名JOURNAL OF OCEANOLOGY AND LIMNOLOGY
出版日期2021-09-09
页码12
ISSN号2096-5508
关键词antioxidant activity carboxymethyl chitosan derivative sulfonium salts structural characteristics synthesis
DOI10.1007/s00343-021-0352-2
通讯作者Guo, Zhanyong(zhanyongguo@hotmail.com)
英文摘要To improve the solubility and bioactivity of chitosan, a new class of carboxymethyl chitosan derivatives possessing sulfonium salts was successfully designed and synthesized, including Methyl sulfide carboxymethyl chitosan (MCMCS), Ethyl sulfide carboxymethyl chitosan (ECMCS), Propyl sulfide carboxymethyl chitosan (PCMCS), and Butyl sulfide carboxymethyl chitosan (BCMCS). To determine the structure of the new class of the derivatives, methods of the Fourier transform infrared spectroscopy (FT-IR), H-1 nuclear magnetic resonance spectrometer (H-1 NMR), and C-13 nuclear magnetic resonance spectrometer (C-13 NMR) were used. Moreover, the antioxidant activity of the derivatives for three types of free radicals, i.e., hydroxyl radical, superoxide radical, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical was evaluated in vitro. In addition, the L929 cells were adopted to test the cytotoxicity of chitosan and its derivatives by CCK-8 assay. The class of the carboxymethyl chitosan derivatives showed a strong scavenging ability against the three free radicals at 1.6 mg/mL, with scavenging rate of over 70% and some up to 100%. At this high rate, the overall cell viability in the toxicity test reached more than 80%, indicating that the synthetic derivative had a little cytotoxicity. The results show that the introduction of carboxymethyl group to chitosan increased the water-solubility of chitosan, and the combination of sulfonate ions with different chain lengths further enhanced the antioxidant activity of chitosan. Therefore, the sulfonium-containing carboxymethyl chitosan derivatives had excellent bioactivity with good application prospects in food, biomedicine, and medical fields.
WOS关键词ANTIMICROBIAL ACTIVITY ; BIOLOGICAL-ACTIVITIES ; SCAVENGING ACTIVITY ; ANTIFUNGAL ; ALGINATE ; MODE ; ACID
资助项目National Key R&D Program of China[2019YFD0900705] ; Key Deployment Projects of the Marine Science Research Center of the Chinese Academy of Sciences[COMS2020J04] ; Natural Science Foundation of Shandong Province of China[ZR2019BD064]
WOS研究方向Marine & Freshwater Biology ; Oceanography
语种英语
WOS记录号WOS:000694620600008
资助机构National Key R&D Program of China ; Key Deployment Projects of the Marine Science Research Center of the Chinese Academy of Sciences ; Natural Science Foundation of Shandong Province of China
源URL[http://ir.yic.ac.cn/handle/133337/29737]  
专题烟台海岸带研究所_海岸带生物学与生物资源利用所重点实验室
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Peoples R China
推荐引用方式
GB/T 7714		 Sun, Xueqi,Zhang, Jingjing,Mi, Yingqi,et al. Synthesis, characterization, and antioxidant activity of carboxymethyl chitosan derivatives containing sulfonium salt[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2021:12.
APA Sun, Xueqi.,Zhang, Jingjing.,Mi, Yingqi.,Miao, Qin.,Tan, Wenqiang.,...&Guo, Zhanyong.(2021).Synthesis, characterization, and antioxidant activity of carboxymethyl chitosan derivatives containing sulfonium salt.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,12.
MLA Sun, Xueqi,et al."Synthesis, characterization, and antioxidant activity of carboxymethyl chitosan derivatives containing sulfonium salt".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2021):12.

入库方式： OAI收割

来源：烟台海岸带研究所

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