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枯草芽孢杆菌发酵生产γ-聚谷氨酸的动力学研究 被引量：2

Study on fermentation kinetics of γ-polyglutamic acid production by Bacillus subtilis
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摘要 对枯草芽孢杆菌合成γ-聚谷氨酸的发酵动力学特性进行了研究,通过Logistic方程,提出了发酵过程中菌体生长、γ-聚谷氨酸合成、基质消耗的动力学模型。应用MATLAB数值应用软件对实验数据进行处理,得到了枯草芽孢杆菌分批发酵合成γ-聚谷氨酸的动力学模型参数。对实验数据与模型进行比较,结果表明模型与实验数据能较好地拟合,基本上反映了枯草芽孢杆菌分批发酵过程的动力学特征。 The fermentation kinetics of γ-polyglutarnic acid production by Bacillus subtilis was investigated in this study. A series kinetic model for microorganism growth,γ-polyglutamic acid formation and substrate consumption during fermentation were constructed based on the Logistic equation. The data was analyzed with the MATLAB software to generate the kinetics parameters of γ-polyglutamic acid production with batch fermentation. The experimental data and models were compared. The results showed the model could fit the experimental data well, and the model appeared to provide a reasonable description for the batch fermentation process.
作者 任尚美 王晓丽 马霞 赵林 刘霞
机构地区 山东轻工业学院食品与生物工程学院 山东轻工业学院数理学院
出处 《中国酿造》 CAS 北大核心 2008年第11期59-62,共4页 China Brewing
关键词 枯草芽孢杆菌 Γ-聚谷氨酸 发酵动力学 Bacillus subfilis γ-polyglutamic acid fermentation kinetics
分类号 Q936 [生物学—微生物学]
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参考文献12

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共引文献418

同被引文献14

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引证文献2

中国酿造
2008年 第11期

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