葡萄籽油提取工艺条件优化
2016-04-23冯艳芸李海萍宝鸡出入境检验检疫局陕西宝鸡7006咸阳市城市绿化管理处陕西咸阳7000
冯艳芸,李海萍 (.宝鸡出入境检验检疫局,陕西宝鸡7006;.咸阳市城市绿化管理处,陕西咸阳 7000)
葡萄籽油提取工艺条件优化
冯艳芸1,李海萍2(1.宝鸡出入境检验检疫局,陕西宝鸡721006;2.咸阳市城市绿化管理处,陕西咸阳 712000)
摘要[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/mL、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。
关键词葡萄籽油;提取;工艺条件;优化
Optimization of Technical Condition for Extraction of Grape Seed Oil
FENG Yan-yun1, LI Hai-ping2
(1.Baoji Entry-Exit Inspection and Quarantine Bureau, Baoji, Shaanxi 721006; 2.Xianyang Green Management Office, Xianyang, Shaanxi 712000)
Abstract[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.
Key wordsGrape seed oil; Extraction; Process condition; Optimization
我国葡萄资源丰富,其中80%的葡萄用于酿酒,葡萄籽是葡萄酿酒加工中的主要副产物,葡萄籽占鲜果重量的4%~7%,而葡萄籽的含油量为14%~17%。我国对葡萄籽的利用率并不高,每年大量的葡萄籽作为废弃物丢掉,对资源造成了很大的浪费的同时对环境也造成污染[1-2]。
葡萄籽油是葡萄籽经由物理或化学方式提炼而成的液体,含有大量的不饱和脂肪酸,其脂肪酸的主要成分是亚油酸,亚油酸是人体必需的营养物质,对于儿童的大脑和神经发育以及维持成年人血脂平衡、防止血栓形成、清除胆固醇都有着重要的作用。……
