Antioxidant activity of Momordica charantia polysaccharide and its derivatives

被引：148
|
作者：
Chen, Fang [1 ]
Huang, Gangliang [1 ]
Yang, Zhiyuan [1 ]
Hou, Yupeng [1 ]
机构：
[1] Chongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Inorgan Funct Mat, Coll Chem, Chongqing 401331, Peoples R China
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2019年 / 138卷
关键词：
Momordica charantia polysaccharide; Derivatives; Preparation; Antioxidant activity;
D O I：
10.1016/j.ijbiomac.2019.07.129
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Momordica charantia polysaccharide (MCP) was extracted by hot water and chemically modified to obtain phosphorylated Momordica charantia polysaccharide (P-MCP) with degree of substitution 0.12 and sulfated Momordica charantia polysaccharide (S-MCP) with degree of substitution 0.45. The sugar content of the three polysaccharides was determined by phenol sulfuric acid method, 74.0%, 68.1% and 59.8% respectively. The scavenging ability of three polysaccharides to superoxide anion, hydroxyl radical and DPPH radical, as well as their anti-lipid peroxidation and reduction ability were determined. The results showed that the antioxidant activity of polysaccharides varied with different chemical modifications. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：673 / 680
页数：8
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