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采用透明圈初筛方法得到一株产褐藻胶裂解酶菌株B1,通过形态观察和16S rDNA序列分析鉴定该菌株为假交替单胞菌属(Pseudoalteromonas sp.).通过单因素实验对菌株B1产酶条件进行优化,最佳培养基组成为:褐藻酸钠1%,氯化铵0.2%,NaCl 3%,KH2PO40.02%,MgSO40.01%,CaCl2·2H20 0.1%,初始pH5.5.最佳的培养条件:装液量75 mL,培养温度30℃,摇床转速180 r/min,培养22 h.在该条件下,褐藻胶裂解酶最高酶活力提高到71.94 U/mL,提高了72.11%.
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食品工业科技
ISSN: 1002-0306
CN: 11-1759/TS
Year: 2015
Issue: 22
Volume: 36
Page: 287-292
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: 5
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