食品科学 ›› 2004, Vol. 25 ›› Issue (9): 112-115.

• 工艺技术 • 上一篇    下一篇

微波提取荷叶黄酮及其清除羟基自由基的研究

 蔡为荣   

  1. 安徽工程科技学院生化工程系
  • 出版日期:2004-09-15 发布日期:2011-10-24

Study on the Extraction of Bioflavonoids from Lotus Leaf and It’s Hydroxyl Radicals Scavenging Capacity

 CAI  Wei-Rong   

  1. Department of Biochemistry, Anhui College of Science and Technology
  • Online:2004-09-15 Published:2011-10-24

摘要: 本文研究了水剂、无水乙醇、乙醇水溶液及乙醇水溶液结合微波照射浸提荷叶黄酮及其清除羟基自由基的作用。实验结果表明:以60%乙醇水溶液作提取剂,固液比1:30、微波照射1.5min、浸提2.5h,荷叶黄酮浸出最多;且荷叶黄酮提取物对•OH自由基有较明显的清除作用,其清除率与黄酮的浓度有一定的量效关系。

关键词: 荷叶, 黄酮, 提取, 微波, 羟基自由基

Abstract: The extraction technology of the bioflavonoids in lotus leaf and it’s hydroxyl radicals scavenging capacity werestudied. The results showed that the highest extraction rate of bioflavonoids with high scavenging capacity of hydroxyl radicalscould be obtained with 60% alcohol immersed at the ratio of one part of dry leaf to thirty parts of solvent with microwaveirradiated for 1.5min, extracting time for 2.5h.

Key words: louts leaf, flavonoids, extraction, microwave, hydroxyl radicals