期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 138, 期 -, 页码 673-680出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2019.07.129
关键词
Momordica charantia polysaccharide; Derivatives; Preparation; Antioxidant activity
资金
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [2015-1098]
- Chongqing Key Research Project of Basic Science & Frontier Technology, China [cstc2017jcyjBX0012]
- Foundation Project of Chongqing Normal University, China [14XYY020]
- Chongqing Research Program of Basic Research and Frontier Technology, China [cstc2015jcyjA10054]
- Chongqing Normal University Postgraduate's Research and Innovation Project, China [YKC17004]
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.
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