超声波辅助复合酶法提取姜油的工艺优化Optimization of the Extraction Process of Ginger Oil by Ultrasonic-assisted Compound Enzyme Hydrolysis Method
张薇,王成荣,吴昊,杨绍兰
摘要(Abstract):
为了获得一种得率较高的姜油提取方法,试验采用超声波辅助复合酶法,以生姜粉为原料,对复合酶的配比、酶解过程及超声萃取过程进行了优化。结果表明:适宜的酶配比为纤维素酶400U/g,木瓜蛋白酶400U/g,果胶酶300U/g;响应面设计优化酶解过程的最佳工艺参数为pH值5.58,液料比5.5∶1,温度46.8℃,时间46min;适宜的超声萃取工艺参数为以乙醇为提取剂,液料比15∶1,超声功率440W,超声时间15min时,最终姜油得率可达6.72%,与传统的方法相比姜油得率明显提高。
关键词(KeyWords): 复合酶;超声;提取;姜油
基金项目(Foundation): 山东省现代蔬菜产业技术体系(SDSXDSCCYJSTX)
作者(Author): 张薇,王成荣,吴昊,杨绍兰
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