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The antioxidant activities of carboxymethylated cushaw polysaccharide

Author:
Liu, Yang, Huang, Gangliang
Source:
International journal of biological macromolecules 2019 v.121 pp. 666-670
ISSN:
0141-8130
Subject:
antioxidant activity, calcium chloride, hydroxyl radicals, nuclear magnetic resonance spectroscopy, polysaccharides, superoxide anion
Abstract:
The antioxidant activities of carboxymethylated polysaccharide from cushaw were investigated. The cushaw polysaccharide was extracted by hot water method and deproteinized with CaCl2. There was a peak around 178 in 13C NMR spectrum, which proved that the preparation of carboxymethyl cushaw polysaccharide was successful. At the same time, it indicated that the carboxymethylated cushaw polysaccharide had better ability to scavenge superoxide anions and hydroxyl radicals.
Agid:
6176722