超临界CO_2萃取姜油树脂的工艺研究  

Study on Optimization of Process for Extracting Ginger Oil by Supercritical CO_2 Extraction Technology

作　　者：张建立[1] 李公春[1] 

机构地区：[1]许昌学院化学化工学院,河南许昌461000

出　　处：《安徽农业科学》2011年第16期9827-9828,9830,共3页Journal of Anhui Agricultural Sciences

摘　　要：[目的]优化采用超临界CO2萃取姜油树脂的工艺。[方法]利用超临界CO2流体作为萃取溶剂从干姜中提取姜油树脂,研究萃取压力、萃取时间和萃取温度对姜油树脂萃取率的影响,通过正交试验确定了姜油树脂萃取工艺的最佳萃取条件。[结果]姜油树脂超临界CO2萃取的最佳萃取工艺条件为:萃取压力35 MPa,萃取时间2.5 h,萃取温度40℃,在此条件下,姜油树脂的萃取率为2.86%。[结论]该研究可为调味料科研工作者和生产厂家提供参考。[Objective] The research aimed to optimize the process of extracting ginger oil by supercritical CO2 extraction technology.[Method] The ginger oil was extracted from dry ginger by supercritical CO2 fluid,and the effects of extraction pressure,extraction time and extraction temperature on extraction rate of ginger oil were studied.The optimum extraction condition of ginger oil was determined through orthogonal test.[Result] The optimum extraction process of ginger oil was extraction pressure of 35 MPa,extraction time of 2.5 h,extraction temperature of 40 ℃.Under this condition,the extraction rate of ginger oil was 2.86%.[Conclusion] The study can provide reference for scientists researching flavoring and manufacturers.

关 键 词：超临界CO2 姜油 正交试验 萃取 

分 类 号：S37[农业科学—农产品加工]