郑姣姣,魏然,李永歌

• 1:保定味群食品科技股份有限公司

摘要(Abstract)：

优化了在低酸条件下大豆蛋白的水解工艺,此工艺旨在降低水解蛋白中的氯化钠含量。以脱脂大豆作为原料,采用盐酸水解工艺,分析盐酸浓度、液固比、水解时间、水解温度对蛋白水解率影响的规律。结果表明:液固比、温度对蛋白水解率影响主效应显著,各因素对蛋白水解率影响程度的大小顺序为液固比>水解温度>水解时间>盐酸浓度。液固比与盐酸浓度、盐酸浓度与时间、盐酸浓度与温度、温度与液固比、时间与温度之间交互作用对水解率的影响均为极显著。优化得到的大豆蛋白水解工艺为盐酸浓度14%、液固比2∶1、水解时间31h、水解温度105℃,在此条件下蛋白水解率为73.6%,所得水解蛋白液中氯化钠含量约为12.5%,较传统的水解工艺降低了22%~31%。

关键词(KeyWords)： 脱脂大豆;响应面设计法;水解工艺;蛋白水解率;氯化钠

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 郑姣姣,魏然,李永歌

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