葡萄籽油提取工艺条件优化

Optimization of Technical Condition for Extraction of Grape Seed Oil

[目的]研究葡萄籽油提取的最优工艺条件,为葡萄酒加工生产中的副产物充分利用提供科学依据。[方法]在单因素试验考察超声波提取时间、处理温度和超声波功率对葡萄籽油提取量影响的基础上,采用响应曲面法研究工艺条件,建立了二次多项回归模型方程,并结合SAS 9.0数学分析软件对其工艺条件参数进行了预测和评价。[结果]葡萄籽油提取的最优工艺条件为:料液比1∶13 g/m L、提取时间48 min、处理温度37℃和超声波功率490 W,在此条件下得到的葡萄籽油提取量为194.1 mg/g。[结论]该研究采用响应曲面法优化获得的葡萄籽油提取工艺条件可靠,建立的二次回归模型方程合适有效,具有一定的实用价值。

[Objective]The aim was to study optimal conditions for extracting grape seed oil,and provide scientific basis for utilizing by-products in wine processing production.[Method]Effects of extraction time,temperature and ultrasonic power on yield of grape seed oil were investigated by single factor test. The technical conditions were studied with response surface method,quadratic regression model equation was established,the technical parameters were predicted and evaluated combing with SAS 9. 0 mathematical analysis software.[Result]The optimal conditions for extracting grape seed oil were： solid-liquid ratio 1∶ 13 g / mL,extraction time 48 min,processing temperature 37 ℃ and ultrasonic power 490 W,under the above conditions,extraction amount of grape seed oil was 194. 1 mg / g.[Conclusion]The response surface method is reliable,quadratic regression model equation is appropriate,and it has a certain practical value.