野生仙人掌多糖对DPPH·、NO_2^-的清除能力及其还原力研究  

Scavenging ability of Opuntia dillenii Haw. polysaccharides on DPPH., NO_2^- and the reduction ability

作　　者：李莉梅[1] 李恒[1] 朱苗[1] 曾富华[1] 

机构地区：[1]湛江师范学院/广东高校边缘热带特色植物工程技术开发中心,广东湛江524048

出　　处：《广东农业科学》2013年第15期121-123,共3页Guangdong Agricultural Sciences

基　　金：国家星火计划项目(2012GA780016);湛江市科技攻关计划项目(2012C3103019;2012C030304);广东高校边缘热带特色植物工程技术开发中心立项基金(GCZX-B1002);植物工程中心开放基金项目([2012]0103)

摘　　要：利用热水浸提法提取野生仙人掌多糖,并用Sevage法对其进行纯化,通过测定DPPH.、NO2-的清除作用和其还原力,研究野生仙人掌多糖的抗氧化活性。结果表明,野生仙人掌多糖对DPPH.、NO2-有较强的清除作用,并具有一定的还原能力,其抗氧化性有待深入研究和开发应用。Opuntia dillenii Haw.polysaccharides were extracted by hot water,then purified by Sevage method to study the antioxidant activities of Opuntia dillenii Haw.Polysaccharides,which were measured by several experiments,including the scavenging ability of Opuntia dillenii Haw.polysaccharides on DPPH·,NO2^-and the reduction ability.The results showed that the scavenging abilities of DPPH.and NO2were strong,and that Opuntia dillenii Haw.polysaccharides had some reduction activity.Opuntia dillenii Haw.polysaccharides had some antioxidant activity but the antioxidant activity needed further research,utilization and exploitation.

关 键 词：仙人掌 多糖 抗氧化性 

分 类 号：Q539[生物学—生物化学]