木瓜蛋白酶降解甲壳胺的研究(英文)A Research on the Depolymerization of Chitosan with the Aid of Papain
叶眉,薛长湖,方煜,孙方强
摘要(Abstract)：
采用一种木瓜蛋白酶过甲壳胺进行降解。研究了酶用量、pH值、温度、时间四个因素对反应的影响。其中,温度的影响作用显著,时间具有较小的影响作用(pH:3.0～6.0;温度:30°～60℃;时间:2～8h)。实验结果表明降解反应不遵循简单的动力模式。在pH4.0、40°C、8h、1.5mg/mL木瓜蛋白酶的条件下,分子量为(5～10)×105时用甲壳胺可容易地被木瓜蛋白酶降解为高度解聚的甲壳胺。
关键词(KeyWords)： 甲壳胺;木瓜蛋白酶;降解
基金项目(Foundation):
作者(Author): 叶眉,薛长湖,方煜,孙方强
DOI: 10.16441/j.cnki.hdxb.2000.01.013
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