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Optimization of the preparation of corn-peptide-zinc
Author(s): TANG Jun-hu, KANG Wei-li, REN Zhi-yan, JING Si-qun*
Pages: 294-
296,300
Year: 2011
Issue:
3
Journal: Science and Technology of Food Industry
Keyword: 玉米蛋白肽锌; 制备; 响应面分析法; 优化;
Abstract: 以玉米蛋白粉为原料,碱性蛋白酶酶解制得玉米肽,与硫酸锌螯合后,得到玉米蛋白肽锌。根据Box-Behnken的中心组合实验设计原理,运用Minitab15.0数据统计分析软件,采用三因素三水平的响应面分析法优化制备玉米蛋白肽锌的工艺。结果表明:最佳的制备条件为反应时间90min、pH为5、温度63℃、蛋白肽与锌的摩尔比为2∶1,在此条件下,螯合率为57.9%。
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