狼爪瓦松提取物的抗氧化活性的研究  

Antioxidant activities from Orostachys cartilaginous extracts

作　　者：李承范[1] 王思宏[1,2] 李东浩[2] 

机构地区：[1]延边大学分析测试中心,延吉133002 [2]延边大学长白山生物资源与功能分子教育部重点实验室,延吉133002

出　　处：《食品科技》2015年第4期285-288,共4页Food Science and Technology

基　　金：延边大学校项目(2010306-601010003);国家自然科学基金项目(21365023)

摘　　要：为研究狼爪瓦松的药用价值,通过DPPH自由基清除能力,羟自由基清除能力和超氧阴离子清除能力来评价其抗氧化活性。实验结果显示狼爪瓦松乙醇提取物对DPPH自由基的清除率为99.15%,羟基自由基清除率为94.55%,超氧阴离子清除率为61.33%。狼爪瓦松中黄酮类化合物对清除自由基有一定的作用,其清除效果在一定范围内随着总黄酮质量浓度的增加而增强。To investigate the medicinal value of Orostachys cartilaginous, the antioxidant activity is evaluated by 1,1-diphenyl-2-picrylhydrazyl （DPPH） radical, hydroxyl radical and superoxide anion radical scavenging ability of DPPH. The results revealed that DPPH radical scavenging ability of is 99.15%, hydroxyl adical scavenging rability is 94.55% and superoxide anion radical scavenging ability is 61.33% of Orostachys cartilaginous ethanol extract. The results of antioxidant activity shows that the total flavonoids of Orostachys cartilaginous extracts implied their definite radical scavenging ablity, in addition, within certain concentration the scavenging effect is enhanced with increasing concentration of total flavonoids.

关 键 词：狼爪瓦松提取物 总黄酮 抗氧化活性 

分 类 号：TS201.4[轻工技术与工程—食品科学]