食品科学 ›› 2007, Vol. 28 ›› Issue (5): 71-73.

• 基础研究 • 上一篇    下一篇

酸果蔓提取物的抗氧化活性及稳定性研究

 毛绍春, 李竹英, 李聪   

  1. 玉溪农业职业技术学院; 云南大学应用化学系 云南玉溪653100; 云南玉溪653100; 云南昆明650091;
  • 出版日期:2007-05-15 发布日期:2011-12-31

Study on Antioxidative Activity and Stability of Cranberry Extracts

 MAO  Shao-Chun, LI  Zhu-Ying, LI  Cong   

  1. 1.Yuxi Agriculture Vocation-Technical College,Yuxi 653100,China; 2.Department of Chemistry,Yunnan University,Kunming 650091,China
  • Online:2007-05-15 Published:2011-12-31

摘要:  利用分光光度法对酸果蔓提取物的抗氧化活性进行了检测,并研究了在不同条件下提取物的稳定性。结果表明,酸果蔓提取物对羟自由基、超氧阴离子自由基的清除率分别是78.4%、91.5%,对脂质过氧化的抑制率为85.7%。在酸性及氯化钠溶液中能稳定存在,有较好的光稳定性,在75℃下有较好的热稳定性。

关键词: 酸果蔓, 抗氧化性能, 稳定性, 分光光度法

Abstract: The antioxidative activity of cranberry extracts and its stability in different conditions were studied with photometric method.The results showed:The scavenging percentage of cranberry extracts to hydroxyl radical is 78.4%,and to superoxide radical is 91.5%,while the extracts inhibitory effect on lipid peroxidantion is 85.7%.It is very stable in acid solution,NaCI solution and under 75℃.The effect of light on stability is very little.

Key words: cranberry, antioxidative activity, stability, photometric method