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author:

关昂 (关昂.) [1] | 王航 (王航.) [2] | 孟春 (孟春.) [3] | 石贤爱 (石贤爱.) [4] | 郭养浩 (郭养浩.) [5]

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CQVIP PKU CSCD

Abstract:

研究了酵母转化L-苯丙氨酸(Phe)合成2-苯乙醇(Pea)的常规和带原位转移的补料分批培养过程特性.在常规培养中,以优化补料策略将糖浓度控制在0.1~0.3g/L,使副产物乙醇浓度小于1%,而Pea的最高终浓度仅为3.85g/L,因产物抑制效应无法获得更高浓度.采用大孔树脂FD0816作为原位转移产物的介质,Pea最终总浓度达到12.80g/L,平均生成速率为0.38g/(L·h),比未添加树脂的培养体系分别提高了232%和35.7%.采用乙醇溶液对发酵用的树脂进行动态洗脱,Pea洗脱率达到95%以上,洗脱液中Pea浓度达到60g/L.

Keyword:

2-苯乙醇 产物原位转移 大孔树脂 生物合成

Community:

  • [ 1 ] 福州大学药物生物技术与工程研究所,福建福州350002
  • [ 2 ] 福建省医疗仪器和医药技术重点实验室,福建福州350002

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Source :

过程工程学报

ISSN: 1009-606X

Year: 2009

Issue: 1

Page: 128-132

Cited Count:

WoS CC Cited Count:

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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