超临界CO2萃取棉籽中α生育酚

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蔡莉1, 耿晓玲1, 王敏2

 （1.江阴职业技术学院 化学纺织工程系，江苏 江阴 214405；2.江阴市产品质量监督检验所，江苏 江阴 214431）

 摘要： 根据超临界流体萃取技术的基本原理，以粉碎后的棉籽仁粉为原料，提取α生育酚。首先采用单因素试验的方法，考察萃取温度、萃取时间、萃取压力、棉仁粉粒径等对超临界CO2萃取的影响，然后在此基础上进行正交试验。得到最佳萃取条件为萃取温度50 ℃，萃取时间90 min，萃取压力20～25 MPa，颗粒粒度025～030 mm。

关键词： 超临界CO2萃取； α生育酚； 棉籽

中图分类号： TS 224.4                  文献标志码： A

 Extract αTocopherol from Cottonseed by Supercritical CO2

 CAI Li1, GENG Xiaoling1, WANG Min2

（1.Department of Chemical and Textile Engineering, Jiangyin Polytechnic College, Jiangyin 214405, China;

2.Jiangyin Product Quality Supervision and Inspection Institute, Jiangyin 214431,China）

 Abstract: The thesisis focuses on the extraction of αtocopherol from crushing cottonseed meal based on the principle of supercritical fluid extraction,we observed the influence on supercritical CO2 extraction by factors like extracting temperature, extracting time, extracting pressure, grinding granularity etc via single factor testing firstly, and did the orthogonal test based on the result of the obervation. We finds the best extraction condition as follow: extracting temperature 50 ℃,extracting time 90 min, extracting pressure 20—25 MPa, grinding granularity 025—030 mm.

Key words: supercritical CO2 extraction; αtocopherol; cottonseed meal

 收稿日期： 20140616

作者简介： 蔡莉（1984—），女，讲师.            *通信联系人.

文章编号：16726987（2015）04038105； DOI： 10.16351/j.16726987.2015.04.006