酶解法从深海明太鱼内脏中提取鱼油工艺研究

Journal of Agricultural Science Yanbian University(2013)

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Abstract
以深海明太鱼内脏为原料,应用酶解法从中提取鱼油,以鱼油提取率为指标,选择合适的蛋白酶。研究了液固比(W/F)、加酶量、温度、pH值和时间等5个因素对鱼油提取率的影响并以鱼油提取率为指标,通过正交优化试验设计,获得以中性蛋白酶酶解法提取鱼油的最佳酶解工艺条件:液固比(W/F)0.5∶1,酶添加量4 000U/g,酶解温度55℃,酶解时间2h,酶解pH值为7.0。利用此工艺鱼油提取率为69.38%,理化指标符合SC/T 3502-2000的粗鱼油二级标准。
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Key words
fish oil,enzymdysis,Theragra chalcogramma,visceral
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