| 溶氧浓度对谷氨酸发酵关键酶的影响 |
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| 引用本文： | 郜培,陆静波,段作营,毛忠贵,史仲平.溶氧浓度对谷氨酸发酵关键酶的影响[J].食品与发酵工业,2005,31(10):72-75. |
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| 作者姓名： | 郜培 陆静波 段作营 毛忠贵 史仲平 |
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| 作者单位： | 1. 江南大学生物工程学院,无锡,214036
2. 江南大学生物工程学院,无锡,214036;江南大学工业生物技术教育部重点实验室,无锡,214036 |
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| 基金项目： | 江苏自然科学基金资助项目（No.BK2003021） |
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| 摘 要： | 谷氨酸发酵中,不同溶氧条件对产物谷氨酸和主要副产物乳酸的生成积累影响很大。文中研究了不同溶氧条件下和几种非正常条件下的谷氨酸发酵中主要关键酶(谷氨酸脱氢酶和乳酸脱氢酶)的变化规律,为谷氨酸发酵的进一步优化和控制提供了基础数据。
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| 关 键 词： | 谷氨酸脱氢酶(GDH) 乳酸脱氢酶(LDH) 溶氧水平 谷氨酸发酵 |
| 收稿时间： | 06 13 2005 12:00AM |
| 修稿时间： | 08 5 2005 12:00AM |
Effects of Dissolved Oxygen on the Key Enzymes in Glutamate Fermentation |
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| Gao Pei,Lu Jingbo,Duan Zuoying,Mao Zhonggui,Shi Zhongping.Effects of Dissolved Oxygen on the Key Enzymes in Glutamate Fermentation[J].Food and Fermentation Industries,2005,31(10):72-75. |
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| Authors: | Gao Pei Lu Jingbo Duan Zuoying Mao Zhonggui Shi Zhongping |
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| Affiliation: | 1,School of Biotechnology, Southern Yangtze University, Wuxi, 214036 China;2,Key Laboratory of Industrial Biotechnology, Ministry of Education, Southern Yangtze University, Wuxi, 214036, China |
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| Abstract: | The experimental data in glutamate fermentation showed that, dissolved oxygen level largely affect the synthesis of glutamate and other major by-product (lactate). This paper mainly discusses the changing patterns of glutamate dehydrogenase and lactate dehydrogenase activities under different dissolved oxygen levels. This study provides essential data for on-line controlling and optimization of glutamate fermentation processes. |
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| Keywords: | glutamate dehydrogenase(GDH) lactate dehydrogenase(LDH) dissolved oxygen level glutamate fermentation |
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