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  • Title: Antioxidant activity of Momordica charantia polysaccharide and its derivatives.
    Author: Chen F, Huang G, Yang Z, Hou Y.
    Journal: Int J Biol Macromol; 2019 Oct 01; 138():673-680. PubMed ID: 31344411.
    Abstract:
    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.
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