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author:

陈景智 (陈景智.) [1] | 林娟 (林娟.) [2] | 叶秀云 (叶秀云.) [3] | 徐美爱 (徐美爱.) [4] | 李雯娟 (李雯娟.) [5] | 邓香圳 (邓香圳.) [6]

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CQVIP PKU CSCD

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%,KCl0.1%,ZnSO40.01%,FeSO40.005%,MnSO40.015%,培养基初始pH为4.0;最适发酵条件:装液量50mL/250mL,转速150r/min,温度32℃,接种量12%(v/v);在此条件下发酵10d,糖化酶活力为1652.36U/mL比优化前(109.54U/mL)提高了14.08倍。

Keyword:

发酵条件 培养基 糖化酶 紫色红曲霉

Community:

  • [ 1 ] 福州大学、福建省海洋酶工程重点实验室,福建福州350116

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Source :

食品工业科技

ISSN: 1002-0306

Year: 2017

Issue: 14

Volume: 38

Page: 146-150

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 0

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