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	有氧条件下Klebsiella pneumoniae发酵生产1,3-丙二醇的研究
	陈振 ; 刘宏娟 ; 刘德华 ; CHEN Zhen ; LIUHong-juan ; LIU De-hua
	2010-06-10 ; 2010-06-10
关键词	1,3-丙二醇 Klebsiellapneumoniae 好氧发酵 3-羟基丙醛 1,3-Propanediol Klebsiella pneumoniae aerobic fermentation 3-hydroxypropionaldehyde TQ223.162
其他题名	Study on 1,3-propanediol production by Klebsiella pneumoniae under aerobic conditions
中文摘要	探讨了有氧条件下利用Klebsiella pneumoniae发酵生产1,3-丙二醇的可能性,研究了通气量、初始底物浓度、pH和3-羟基丙醛等因素对发酵过程的影响。当空气通量为0.25 vvm时,1,3-丙二醇的得率和生产强度与厌氧时相近。有氧条件下,当初始甘油质量浓度大于50 g/L时,发酵中后期出现3-羟基丙醛的长期积累,甘油不能消耗完全。控制pH为7.75~8.00可以促进3-羟基丙醛的转化使甘油完全消耗。; Production of 1,3-propanediol under aerobic aerations byKlebsiella pneumoniaewas studied,and the effects of aeration,initial glycerol mass concentration,pH and 3-hydroxypropionaldehyde were investigated.When the aeration was kept at 0.25 vvm air,the yield and productivity of 1,3-propanediol were close to those under anaerobic condition.In aerobic conditions,when the initial glycerol concentration was higher than 50 g/L,3-hydroxypropionaldehyde accumulated and kept at a high concentration,and the glycerol can t be completely used.Keep the pH at 7.75 ~ 8.00 will promote the transformation of 3-hydroxypropionaldehyde to 1,3-propanediol and make the glycerol be completely utilized.; “十五”国家科技攻关计划资助项目(2001BA708B01—04)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/64537]
专题	清华大学
推荐引用方式 GB/T 7714	陈振,刘宏娟,刘德华,等. 有氧条件下Klebsiella pneumoniae发酵生产1,3-丙二醇的研究[J],2010, 2010.
APA	陈振,刘宏娟,刘德华,CHEN Zhen,LIUHong-juan,&LIU De-hua.(2010).有氧条件下Klebsiella pneumoniae发酵生产1,3-丙二醇的研究..
MLA	陈振,et al."有氧条件下Klebsiella pneumoniae发酵生产1,3-丙二醇的研究".(2010).

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