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林业科学 ›› 2007, Vol. 43 ›› Issue (05): 85-89.doi: 10.11707/j.1001-7488.20070515

• 论文及研究报告 • 上一篇    下一篇

超临界CO2萃取与微波法联用提取姜黄有效成分的研究

李湘洲 张炎强 张金玲 罗正   

  1. 中南林业科技大学材料科学与工程学院,长沙410004
  • 收稿日期:2006-09-22 修回日期:2007-04-20 出版日期:2007-05-25 发布日期:2007-05-25

Study on Extraction of Active Ingredient of Turmeric by Supercritical CO2 and Microwave Combined Technique

Li Xiangzhou,Zhang Yanqiang,Zhang Jinling,Luo Zheng   

  1. College of Material Science and Engineering,Central South University of Forestry & Technology Changsha 410004
  • Received:2006-09-22 Revised:2007-04-20 Online:2007-05-25 Published:2007-05-25

摘要:

建立姜黄油及姜黄色素的超临界-微波联合提取工艺,在超临界CO2萃取姜黄油前处理工序的基础上,通过正交试验研究微波法提取姜黄色素过程中各操作参数对提取效果的影响,比较组合工艺与其他工艺在提取条件、产品得率、纯度等方面的差异。优化后得到的最佳条件为:提取温度45℃,料液比1∶11,乙醇体积分数80%,时间2min,姜黄色素得率达到3.22%。超临界-微波联合提取工艺完成了姜黄油和姜黄色素的分步提取,而且一定程度上达到了姜黄油和姜黄色素的提取、分离同时实现的效果,更有利于后期精制。

关键词: 姜黄, 姜黄色素, 微波辅助提取, 超临界CO2萃取

Abstract:

To establish a new method for the extraction of turmeric oil and curcumin by supercritical CO2 and microwave combined technique,turmeric powder was pre-treated with supercritical CO2 to obtain turmeric oleoresin,and then microwave was used to extract curcumin.Orthogonal experiment was applied to optimize the process parameters of the microwave assisted extraction,and the parameters about extraction condition,production yield,purity of different extraction technologies were compared.The optimum conditions of curcumin extracting were:temperature 45 ℃,ratio of material to liquor 1∶11,80% ethanol as extracting solvent,time 2 min,yield of 3.22%.

Key words: turmeric, curcumin, microwave assisted extraction, supercritical CO2 extraction