食品科学 ›› 2013, Vol. 34 ›› Issue (5): 86-89.

• 基础研究 • 上一篇    下一篇

湘西节节草多糖的体外抗氧化研究

张俊生,陈莉华*,朱士龙,吴孝涛,肖 斌   

  1. 吉首大学化学化工学院,湖南 吉首 416000
  • 收稿日期:2011-12-22 修回日期:2013-01-26 出版日期:2013-03-15 发布日期:2013-04-16
  • 通讯作者: 陈莉华 E-mail:chenlihua99@163.com
  • 基金资助:
    科技部科技型中小企业技术创新基金资助项目;科技部科技型中小企业技术创新基金资助项目;吉首大学校级科研计划项目

in vitro Antioxidant Activity of Polysaccharides from Equisetum ramosissimum Desf.

ZHANG Jun-sheng,CHEN Li-hua*,ZHU Shi-long,WU Xiao-tao,XIAO Bin   

  1. College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China
  • Received:2011-12-22 Revised:2013-01-26 Online:2013-03-15 Published:2013-04-16
  • Contact: Lihua chen E-mail:chenlihua99@163.com

摘要: 从节节草中提取多糖并进行纯化,分别研究其多糖粗品及纯化品对·OH、O2-·、NO2-的清除作用和对油脂氧化的抑制作用,并与VC进行比较。结果表明:两种多糖对·OH、O2-·及NO2-具有不同程度的清除能力,清除效果与多糖质量浓度均呈现一定的量效关系,节节草多糖粗品的清除能力强于纯化品,对油脂氧化有显著的抑制作用,但两种多糖抗氧化效果均弱于VC。

关键词: 节节草, 多糖, 抗氧化活性

Abstract: Crude and purified polysaccharides from Equisetum ramosissimum Desf. were evaluated for antioxidant properties and compared with VC. Both crude and purified polysaccharides had scavenging activity against ?OH, O2 -? and NO2 - in a concentration-dependent manner. The crude polysaccharides showed stronger free radical scavenging activity and potent inhibitory effect against lipid oxidation, but both polysaccharide samples had weaker antioxidant effect than VC.

Key words: Equisetum ramosissimum Desf., polysaccharide, antioxidant activity

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