超临界CO_2萃取技术在植物油脂提取中的应用

Application of supercritical CO_2 fluid extraction technology of vegetable oil

对超临界CO2萃取技术的原理、应用范围、特点、分类和国内外研究现状进行了介绍,综述了超临界CO2萃取在植物油脂提取中的应用情况,讨论了萃取压力、萃取温度、萃取时间、CO2流量、原料物性(粒度、含水量)、夹带剂等因素对植物油脂萃取率的影响,可为确定植物油脂超临界萃取的最佳考察因素及其水平提供参考;同时也分析了超临界CO2萃取技术的局限性及存在的问题,并对其在植物油脂萃取方面的应用前景进行了展望。

The principles,applications,characteristics,classification and study status at home and abroad of supercritical CO2 fluid extraction technology were introduced.The application of supercritical CO2 fluid in vegetable oil extraction and the influence factors（pressure,temperature,CO2 flux,extraction time,properties of material,co-solvent,etc.） were reviewed.In addition,the limitations and problems of the supercritical CO2 fluid extraction technology were analyzed,and the application prospect of the technology was performed.