超临界CO_2萃取核桃油工艺的研究  

Extraction Technology of Walnut Oil with Supercritical CO_2

作　　者：高荣海[1] 于冬梅[1] 刘振盼[1] 戴永利[1] 

机构地区：[1]辽宁省经济林研究所,辽宁大连116031

出　　处：《农产品加工（下）》2011年第11期36-39,47,共5页Farm Products Processing

基　　金：辽宁省科技厅省级工程技术研究中心建设计划(2010402013)

摘　　要：以干燥粉碎后核桃仁为原料,研究应用超临界CO2流体萃取核桃油的工艺。通过正交试验及方差分析得出,超临界CO2萃取核桃油的最佳工艺条件:萃取压力为30 MPa,萃取温度50℃,分Ⅰ压力8 MPa,分Ⅰ温度55℃,萃取时间2 h,在此条件下萃取率为85%以上。The walnuts of dried as raw materials in the experiment,the extraction technology of walnut oil with Supercritical CO 2（SFE-CO 2） is studied.Through the orthogonal experiment and the variance analysis,the best condition on walnut oil with Supercritical CO 2 is obtained,extraction pressure is 30 MPa,temperature is 50 ℃,separationⅠpressure is 8 MPa,temperature is 55 ℃,time is 2 h,the extraction rate is more than 85%.

关 键 词：超临界CO2 萃取 核桃油 萃取率 

分 类 号：TS224.4[轻工技术与工程—粮食、油脂及植物蛋白工程]