Antioxidant properties of different molecular weight polysaccharides from Athyrium multidentatum (Doll.) Ching
作者： Jiwen Sheng , Yanlong Sun
DOI: 10.1016/J.CARBPOL.2014.03.011
关键词:
摘要: Different molecular weight polysaccharides were prepared by degradation of extracted from Athyrium multidentatum (Doll.) Ching rhizome (CPA) with hydrogen peroxide and ascorbic acid. Four low derivatives (CPA-1, CPA-2, CPA-3 CPA-4) successfully obtained had their antioxidant activities investigated employing various established in vitro systems. All CPA showed pronounced activity, stronger ability than certain tests. CPA-1 exhibited the strongest scavenging on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical among all samples, IC50 value was 25 μg/mL. CPA-2 possessed highest against superoxide at 200 The activity CPA-4 hydroxyl higher 120 to mechanism influence its degraded indicated.
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