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author:

严芬 (严芬.) [1] | 王茜 (王茜.) [2] | 林子琳 (林子琳.) [3] | 郭养浩 (郭养浩.) [4]

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CQVIP PKU CSCD

Abstract:

对一株产D-(-)-扁桃酸对映选择性脱氢酶的酿酒酵母菌(Saccharomyces cerevisiaesp.strainby1.1b)发酵产酶条件进行了优化。研究各种碳源、氮源及无机盐对产酶的影响,应用正交试验优化发酵培养基组成,结果为:蛋白胨60g/L,麦芽糖30g/L,MgSO40.5g/L,ZnSO40.01g/L,KCl1.0g/L。优化后酶产量提高了7.9倍(由2.56U/mL增至20.21U/mL)。摇瓶培养最佳条件为:装液量40%,发酵pH6.5,接种量10%,发酵温度30℃。考察了细胞生长及产酶的时间进程,最佳培养时间为25h。

Keyword:

D-(-)-扁桃酸 D-(-)-扁桃酸脱氢酶 产酶条件 酿酒酵母

Community:

  • [ 1 ] 福州大学药物生物技术和工程研究所,福州350002

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Source :

微生物学通报

ISSN: 0253-2654

Year: 2008

Issue: 1

Volume: 35

Page: 54-58

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: 1

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