蚕蛹蛋白酶法水解工艺优化

Food Research and Development(2017)

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Abstract
以水解度和多肽得率为评价指标,研究了中性蛋白酶对脱脂蚕蛹蛋白的酶解工艺。采用单因素与响应面优化设计,得出最佳酶解工艺条件为:酶解温度56℃、酶解液pH 7.7、加酶量3.9%(质量分数)、料液比1∶12(g/mL)、酶解时间2 h。在此优化试验条件下,蚕蛹蛋白水解度和多肽得率的预测值分别为24.94%和72.16%,实际值则分别为24.22%及70.61%,与模型预测值吻合。此工艺可推广应用于蚕蛹蛋白多肽产业化生产的备选工艺。
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silkworm chrysalis protein,enzymolysis
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