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Biochemical Engineering

Construction and Analysis on the Kinetic Model of Gibberellin Acid in Batch Fermentation

  • Wei WANG Yaohui WU Jilie LI Yuefei YAO
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  • College of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan 410004, China

Received date: 2016-09-22

  Revised date: 2016-11-23

  Online published: 2017-06-14

Abstract

The concentration changes of mycelium, residual sugar, amino nitrogen and gibberellic acid (GA3) were recorded in a 5 L automatic fermenter. Based on the analysis of fermentation process, a two-stage differential kinetic model, including mycelium growth stage (0~64 h) and GA3 production phase (64~192 h), was constructed. By using the model, the initial carbon, nitrogen concentration and carbon-nitrogen mass ratio (C/N) in the fermentation medium were optimized. Within the scope of the carbon concentration and nitrogen concentration, the calculated results of models were compared satisfactorily with experimental data.

Cite this article

Wei WANG Yaohui WU Jilie LI Yuefei YAO . Construction and Analysis on the Kinetic Model of Gibberellin Acid in Batch Fermentation[J]. The Chinese Journal of Process Engineering, 2017 , 17(3) : 605 -612 . DOI: 10.12034/j.issn.1009-606X.216304

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