期刊
CARBOHYDRATE POLYMERS
卷 102, 期 -, 页码 341-350出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2013.11.035
关键词
Dalbergia sissoo; Tectona grandis; Mimosa diplotricha; Antioxidant; Moisture preservation; Polysaccharide
Three water-soluble polysaccharides were isolated and purified from the leaves of Dalbergia sissoo Roxb. (DSLP), bark of Tectona grandis L. f (TGBP) and seeds of Mimosa diplotricha var. diplotricha Sauvalle (MDSP). Antioxidant and moisture preserving activities of these three polysaccharides were investigated using in vitro methods. The antioxidant activities studied include superoxide (O-2(center dot-)), 1,1-dipheny1-2picrylhydrazyl (DPPH center dot), 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS(center dot+)), hydroxyl (OH center dot-), nitric oxide (NO center dot), N,N-dimethyl-p-phenylenediamine (DMPID center dot+) radical scavenging activities, ferric ion (Fe3+) reducing ability, ferrous ion (Fe2+) chelating and lipid peroxidation activities. The study revealed higher activity of TGBP in all antioxidant assays than DSLP and MDSP. Further, the three polysaccharides showed effective moisture retention properties in comparison with hyaluronic acid and glycerol. (C) 2013 Elsevier Ltd. All rights reserved.
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