食品科学 ›› 2008, Vol. 29 ›› Issue (8): 74-77.

• 基础研究 • 上一篇    下一篇

槟榔提取物对DPPH自由基的清除作用研究

张海德,黄玉林,范燕忠   

  1. 海南大学食品学院
  • 出版日期:2008-08-15 发布日期:2011-08-26

Study on DPPH Radical Scavenging Ability of Raw Betel Nut Extract

 ZHANG  Hai-De, HUANG  Yu-Lin, FAN  Yan-Zhong   

  1. College of Food Science,Hainan University,Danzhou 571737,China
  • Online:2008-08-15 Published:2011-08-26

摘要: 采用氯仿、乙醇、水作溶剂从槟榔中依次提取三种部位提取物,用清除1,1-二苯基苦基苯肼(DPPH)能力的方法在两种溶剂系统(乙醇和乙酸乙酯)中评价了提取物的清除自由基作用。结果表明,在乙醇和乙酸乙酯溶剂中三种槟榔提取物都有清除DPPH自由基的能力,等浓度槟榔提取物清除DPPH的能力大小依次为:乙醇提取物>水提取物>氯仿提取物。

关键词: 槟榔提取物, 自由基, 1, 1-二苯基苦基苯肼

Abstract: Three extracts of raw betel nut were extracted by chloroform,ethanol and water orderly,and their 1,1-diphenyl-2-picrylhydrazyl(DPPH) radical scavenging abilities were studied in two solvents(ethanol and ethyl acetate) separately. Results showed that the extracts of raw betel nut have the DPPH free radical scavenging abilities in ethanol and ethyl acetate solvent,and the order of the abilities these extracts at the same concentration is:ethanol extract > aqueous extract > chloroforme xtract.

Key words: betel nut extract, free radical, 1,1-diphenyl-2-picrylhydrazyl(DPPH)