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Proteinase Producing Strains:Screening and Condition Optimization
Author(s): 
Pages: 112-115
Year: Issue:  10
Journal: Journal of the Chinese Cereals and Oils Association

Abstract: 从山西临汾汾河滩涂的表层土壤中分离到22株产蛋白酶菌株,用检测蛋白酶产生水解圈和蛋白酶活性测定相结合的方法,从中筛选出一株高产蛋白酶菌株P5,并通过正交试验对其产酶条件进行了研究.结果表明,影响P5菌株发酵产酶因素的主次顺序为培养温度、接种量、培养时间;影响P5菌株发酵培养基组成因素的主次顺序为氮源含量、起始pH值、碳源含量;确定的P5菌株的最佳产酶条件为,在以30 g/L葡萄糖为碳源,50 g/...
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