食品与发酵工业2009，Vol.35Issue(6)：54-58,5.
蛹虫草胞外锌多糖抗氧化能力的研究
Studies on the Antioxidant Capacity of Zinc Rich Exopolysaccharide of Cordyceps militaris
摘要
Abstract
Zinc-rich exopolysaccharide was obtained by submerged fermentation of enriched zinc from Cordyceps militaris mycelium. The content of organic zinc and antioxidant capacity of zinc-rich exopolysaccharide was deter-mined. The experiments showed that the organic zinc reaches 0.87 mg/g when the concentration of ZnSO4 in culture medium is 150 μg/mL(P<0.01), which was 295% higher than those of the control. The organic zinc could greatly enhance the free radical scavenging capacities of zinc-rich exopolysaccharide(P<0.01). Its capacities of scavenging oxygen free radicals, hydroxyl radicals and DPPH were 7.05 % ,23.5 % and 17.49 % higher than the control, re-spectively. The capacity to scavenge free radial displayed a dose-response relationship with the concentration of zinc-rich exopolysaccharide.关键词
蛹虫草/锌/胞外多糖/抗氧化能力Key words
Cordyceps militaris, zinc, exopolysaccharide, antioxidant capacity分类
轻工纺织引用本文复制引用
陈宏伟,陈安徽,邵颖,樊美珍..蛹虫草胞外锌多糖抗氧化能力的研究[J].食品与发酵工业,2009,35(6):54-58,5.基金项目
江苏省"六大人才高峰"资助项目,江苏省"333工程"资助项目,江苏省高校科研计划指导项目(05KJD180203) （05KJD180203）
