Structural characterization of a polysaccharide from cultured Cordyceps militaris with antioxidant activity

CHEN Xiao-li; WU Guang-hong; HUANG Zhuo-lie

doi:10.13386/j.issn1002-0306.2016.06.023

CHEN Xiao-li, WU Guang-hong, HUANG Zhuo-lie. Structural characterization of a polysaccharide from cultured Cordyceps militaris with antioxidant activity[J]. Science and Technology of Food Industry, 2016, (06): 155-159. DOI: 10.13386/j.issn1002-0306.2016.06.023

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Structural characterization of a polysaccharide from cultured Cordyceps militaris with antioxidant activity

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Abstract

A polysaccharide W-CBP80 Ⅰ was isolated from the fruiting bodies of cultured Cordyceps militaris and characterized using GPC,GC-MS,IR,~1H NMR and ¹³C NMR. The results indicated that it contained α-type glycosidic linkages and was mainly composed of α-mannose,α-galactose and α-glucose. Its main component was low molecular weight polysaccharide with Mwof 8.93×10~3. In addition,W-CBP80Ⅰ exhibited scavenging capacities against DPPH,hydroxyl and superoxide radicals in the antioxidant assay in vitro.

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Structural characterization of a polysaccharide from cultured Cordyceps militaris with antioxidant activity

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