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中文
Journal
2008
,
Vol. 21
Issue (1)
: 14-18
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Abstract
对土壤中分离的一株产耐盐碱性蛋白酶的短小芽孢杆菌(Bacillus pumilus)Zkud202-4株的发酵条件进行了研究,通过单因素试验和正交试验,确定了最适产酶培养基组成:pH9.0、基础培养基中加入质量分数1.5%的葡萄糖为碳源、1.5%的蛋白胨为氮源、0.01%的Ca2+为金属离子.最适发酵条件:接种量V(种子培养液)∶V(培养基)=2%、发酵温度36℃、发酵时间45 h.优化后菌株Zkud202-4碱性蛋白酶的酶活力达到383 U/mL.
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[J]. Journal , 2010, 23(3): 10-13.
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