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Abstract:
通过培养基和发酵条件的优化提高紫色红曲霉G6液态发酵产糖化酶活力.研究接种菌龄、碳源、氮源、金属离子、培养基初始pH、接种量、装液量、摇床转速以及温度等对产酶的影响.结果表明,最佳培养基配方(w/v)为大米粉8%,蛋白胨1%,KCl 0.1%,ZnSO40.01%,FeSO40.005%,MnSO4 0.015%,培养基初始pH为4.0;最适发酵条件:装液量50 mL/250 mL,转速150r/min,温度32℃,接种量12% (v/v);在此条件下发酵10 d,糖化酶活力为1652.36 U/mL比优化前(109.54 U/mL)提高了14.08倍.
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食品工业科技
ISSN: 1002-0306
CN: 11-1759/TS
Year: 2017
Issue: 14
Volume: 38
Page: 146-150,155
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: 4
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