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对筛选到产蛋白酶且抑菌的美丽短芽胞杆菌Brevibacillus formosus FJAT-10011通过单因素和正交试验对该菌株发酵条件进行优化.优化培养基组成:可溶性淀粉1.25%、蛋白胨1.25%、牛肉浸粉0.3%、NaCl0.5%、硫酸镁0.05%、磷酸氢二钾0.05%.优化发酵条件为:发酵初始pH 5.5、发酵温度25℃、发酵培养基装液量30 mL/250 mL、种子液接种量1%、发酵时间24 h.在优化条件下,上清液酶活力达到8.41 U· mL-1,是初始培养条件的141倍.抑菌直径为15.71 mm,比未优化的提高35.31%.
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福建农业学报
ISSN: 1008-0384
CN: 35-1195/S
Year: 2015
Issue: 10
Volume: 30
Page: 958-964
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 1
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