食品科学 ›› 2006, Vol. 27 ›› Issue (12): 553-555.

• 工艺技术 • 上一篇    下一篇

超临界CO2萃取杜仲叶总黄酮的研究

李秋红,罗莉萍,叶文峰   

  1. 宜春学院化生学院; 宜春学院教务处
  • 出版日期:2006-12-15 发布日期:2011-11-23

Study on Supercritical CO2 Extraction of Flavonoids from Eucommia ulmoides Leaves

 LI  Qiu-Hong, LUO  Li-Ping, YE  Wen-Feng   

  1. 1.Institute of Chemistry and Biology, Yichun College, Yichun 336000, China; 2.Dean’s Office, Yichun College, Yichun 336000, China
  • Online:2006-12-15 Published:2011-11-23

摘要: 本论文采用超临界CO2萃取技术萃取杜仲叶总黄酮,对萃取温度、时间、压力和夹带剂用量四因素进行研究,并采用紫外分光光度法对萃取物中的总黄酮进行定量分析。确定了超临界CO2萃取杜仲总黄酮的最佳工艺条件为:温度为45℃、时间为2.5h、压力为30MPa、夹带剂用量为3.5ml/g。黄酮提取率为73.26%,产品纯度为19.82%。

关键词: 超临界CO2萃取, 杜仲叶, 总黄酮

Abstract:  Study on the supercritical CO2 technology was used to extract flavonids from Eucommia ulmoides leaves, the effects of pressure, temperature, dosage of chemical preparation and time on extractabilities of flavone were studied. we have found the best craft-extractin, moreover, and the technical of microcapsulization was used to eliminate the bitterness of flavone. As a result, the best craft conditions are: extraction temperature 45℃, extraction pressure 30.0MPa, extraction time 2.5h, dosage of chemical preparation 3.5ml/g, and the extraction rate is 73.26%.

Key words: supercritical CO2 extraction, Eucommia ulmoides leaves, flavonids