农产品亚临界流体萃取的理论研究现状与趋势  

Curren tstatus and trends of theoretical research on subcritical fluid extraction of agricultural products

作　　者：吴其飞[1] 史嘉辰 孙俊[1] 陈中伟[1] 徐斌[1] WU Qi-fei, SHI Jia-chen, SUN Jun, CHEN Zhongwei, XU Bin(School of Food and Biological Engineering, Jiangsu University, Zhenjiang , Jiangsu 212013, Chin)

机构地区：[1]江苏大学食品与生物工程学院,江苏镇江212013

出　　处：《食品与机械》2018年第7期164-168,220,共6页Food and Machinery

基　　金：国家"十三五"重点研发计划(编号:2016YFD0401401-01)

摘　　要：文章首先介绍亚临界流体萃取的基本原理,分析萃取溶剂、萃取温度和压力、萃取时间和次数以及料液比对萃取效果的影响,并在此基础上,阐释亚临界流体萃取过程的动力学、热力学变化规律。同时通过对比采用亚临界流体萃取与其他萃取技术所得油脂的品质,说明油脂有益伴随物在亚临界流体萃取中的迁移情况。最后展望亚临界流体萃取理论的未来研究方向。As a new extraction technology,subcritical fluid extraction has received more and more attention,due to its high efficiency and quality.The paper first introduces the basic principle of subcritical fluid extraction,and analyzes the effects of extraction solvent,temperature and pressure,time and frequency,and volume of solvent on the extraction efficiency.Furthermore,the kinetics and thermodynamics of the subcritical fluid extraction process are explained.Then,the quality of the oils obtained by subcritical fluid extraction and other extraction techniques is compared,indicating the migration of bioactive concomitants in the subcritical fluid.Finally,the future research direction of subcritical fluid extraction theory is prospected.

关 键 词：亚临界流体 萃取 动力学 热力学 有益伴随物 

分 类 号：TS224.4[轻工技术与工程—粮食、油脂及植物蛋白工程]