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醇提法制备榛仁浓缩蛋白的工艺
引用本文:矫春娜,芦明春,张星.醇提法制备榛仁浓缩蛋白的工艺[J].大连工业大学学报,2012(6):409-411.
作者姓名:矫春娜  芦明春  张星
作者单位:大连工业大学食品学院
摘    要:以榛仁粕为原料,用乙醇浸出法生产榛仁浓缩蛋白。研究了乙醇体积分数、浸提温度、浸提时间、固液比、浸提次数等因素对榛仁浓缩蛋白中蛋白质量分数的影响。通过正交试验,确定了醇法制备榛仁浓缩蛋白的最佳工艺条件为:乙醇体积分数65%、固液比1∶9、浸提温度55℃、浸提4次(30min/次)。由该条件制备的榛仁浓缩蛋白中粗蛋白质量分数为81.73%,其色浅味淡,无溶剂残留。

关 键 词:榛仁粕  浓缩蛋白  乙醇浸提

Preparation of concentrated hazelnut protein by ethanol extraction
JIAO Chun-na,LU Ming-chun,ZHANG Xing.Preparation of concentrated hazelnut protein by ethanol extraction[J].Journal of Dalian Dalian Polytechnic University,2012(6):409-411.
Authors:JIAO Chun-na  LU Ming-chun  ZHANG Xing
Affiliation:(School of Food Science and Technology,Dalian Polytechnic University,Dalian 116034,China)
Abstract:Concentrated hazelnut protein was extracted from hazelnut meal by ethanol.The effects of ethanol concentration, temperature, extraction time, solid-to-liquid ratio and extraction times on the content of concentrated hazelnut protein were studied by orthogonal experimental design.The optimized processing conditions were found to be ethanol concentration of 65%,e xtraction temperature of 55℃, extraction time of 30min, liquid-to-solid ratio of 1∶9and extracted 4times, then the concentrated hazelnut protein acquired 81.73%.
Keywords:hazelnut protein concentrate  content of protein  alcohol extraction
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