食品科学 ›› 2008, Vol. 29 ›› Issue (3): 188-194.

• 工艺技术 • 上一篇    下一篇

宁夏枸杞子中类黄酮的提取及其性质研究

 孙芝杨, 钱建亚, 陈卫   

  1. 扬州大学食品科学与工程学院; 江南大学食品学院 江苏扬州225001; 江苏扬州225001; 江苏无锡214122;
  • 出版日期:2008-03-15 发布日期:2011-08-24

Extraction and Characteristics of Flavonoids from Lycium barbarum L Fruits

 SUN  Zhi-Yang, QIAN  Jian-Ya, CHEN  Wei   

  1. 1.College of Food Science and Engineering, Yangzhou University, Yangzhou 225001, China ; 2.School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
  • Online:2008-03-15 Published:2011-08-24

摘要: 利用95%乙醇提取宁夏枸杞子中的类黄酮,并比较不同方法的提取效果。结果表明,料液比为1:10、温度为90℃、提取2h可以得到较多的类黄酮。对类黄酮的稳定性以及清除羟自由基、超氧阴离子自由基的能力的研究表明,在类黄酮分别为130mg/L和5.3mg/L(以芦丁计)时,可以清除50%的羟自由基和超氧阴离子自由基。

关键词: 宁夏枸杞子, 类黄酮, 自由基

Abstract: Lycium barbarum L fruits were extracted with 95% ethanol by using different methods. The optimal yield was obtained at 90 ℃ to extract 2 when solid-to-liquid ratio was 1:10. Extracts stability and activities to scavenge hydroxy radicals and superoxide radicals were examined. When flavonoids (rutin as reference substance) were 130 mg/L and 5.3 mg/L, 50% hydroxy radicals and superoxide radicals were scavenged.

Key words: Lycium barbarum L, flavonoids, radicals