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中文
Hongchen Guo

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:School of Chemical Engineering
Discipline:Industrial Catalysis
Physical Chemistry (including Chemical Physics)
Business Address:521 Room,Chemical Engineering Building B,West Campus, Dalian University of Technology.
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Current position: Home >> Scientific Research >> Paper Publications
一种提高玉米蛋白水解度和降解率的方法

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Indexed by:Journal Article

Date of Publication:2005-06-20

Journal:食品科技

Included Journals:PKU

Issue:6

Page Number:92-95

ISSN:1005-9989

Key Words:玉米蛋白 酸性蛋白酶 水解 热处理

Abstract:研究在没有外加碱的pH值渐变条件下,用黑曲霉酸性蛋白酶(酶活力3000U/g)水解玉米渣,利用特殊的热处理提高其水解度和降解率的方法.考察未经热处理、经热处理各种水解条件对玉米蛋白降解率和水解度的影响,并在此基础上通过正交试验进一步优化出水解玉米蛋白的最佳条件:水解温度为60℃、酸性蛋白酶加入量为10%(g/g)、底物浓度为80g/L、水解时间为8h.在上述最佳条件下,玉米蛋白的降解率可达36.70%,蛋白质的水解度可达19.85%.结果表明,采用特殊的热处理方法能够显著提高玉米蛋白降解率以及蛋白质水解度.

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