| pH值对D-核糖发酵的影响及补料发酵的研究 |
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| 引用本文： | 郭建锋,顾晓波,王昌禄,祝嫦巍,唐如星.pH值对D-核糖发酵的影响及补料发酵的研究[J].氨基酸和生物资源,2002,24(1):26-28. |
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| 作者姓名： | 郭建锋 顾晓波 王昌禄 祝嫦巍 唐如星 |
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| 作者单位： | 天津轻工业学院,天津,300222 |
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| 基金项目： | 天津市自然科学基金;; |
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| 摘 要： | 研究了不同 pH值对D 核糖产量的影响。发酵初期pH自然下降时有利于菌体生长 ,菌体生长对数期较长 ,菌体质量浓度最高可达 15 .3g/L ;发酵中后期 pH值控制在 7.0时有利于D 核糖的持续合成 ,同时对D -核糖的流加补料发酵进行了初步研究 ,最终使菌体质量浓度最高达到 2 0 .1g/L ,D 核糖产量达到了 6 2 .5g/L。
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| 关 键 词： | D-核糖 pH控制 补料发酵 |
| 文章编号： | 1006-8376(2002)01-0026-03 |
| 修稿时间： | 2001年11月14日 |
Effect of Different pH on Fermentation of D-Ribose and Fed Batch Cultivation |
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| GUO Jian-feng,GU Xiao-bo,WANG Chang-Lu,TANG RU-xing.Effect of Different pH on Fermentation of D-Ribose and Fed Batch Cultivation[J].Amino Acids & Biotic Resources,2002,24(1):26-28. |
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| Authors: | GUO Jian-feng GU Xiao-bo WANG Chang-Lu TANG RU-xing |
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| Abstract: | The effect of different pH on biomass and D-ribose production during the process of batch fermentation was tested. It was showed that cultivation of the strain without controlled pH was advantageous to obtain high level of dry cell weight and lengthen the logarithmic phase. The period of D-ribose production was prolonged when pH of the medium was set at 7.0 during the stationary phase. Fed batch fermentation of D-ribose was preliminarily studied,and the dry cell weight and the yield of D-ribose reached 20.lg/L and 62.5g/L respectively. |
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| Keywords: | D-ribose pH control fed batch fermentation |
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