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author:

林晓庆 (林晓庆.) [1] | 黄志清 (黄志清.) [2] | 刘志彬 (刘志彬.) [3] | 张雯 (张雯.) [4] | 倪莉 (倪莉.) [5]

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CQVIP PKU

Abstract:

米根霉具有较强的产淀粉糖化酶能力。本研究通过对米根霉液态发酵工艺条件的研究来提高其产糖化酶能力,为红曲黄酒纯种酿造技术奠定基础。以米根霉为出发菌株,大米液化液作为碳源进行摇瓶发酵,通过正交试验优化液态培养基配方,并通过单因素试验得出米根霉的培养条件。优化的摇瓶发酵最佳培养基为:液化液浓度50%,NH4Cl 5 g/L,KH2PO41 g/L,MgSO4·5H2O 0.3 g/L,FeSO4·7H2O 0.4 g/L,CaCO38 g/L;发酵条件为:初始pH6.0,装液量50 mL,摇床转速150 r/min,接种量6%,发酵温度为32℃。该发酵条件下,菌株摇瓶发酵液的糖化酶活力达到196.6 U/mL依8.1 U/mL。

Keyword:

发酵条件 液态发酵 米根霉 糖化酶 黄酒

Community:

  • [ 1 ] 福州大学食品科学技术研究所,福建福州350108

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Source :

酿酒科技

ISSN: 1001-9286

Year: 2014

Issue: 9

Page: 9-13

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: 7

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