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高等学校化学研究 ›› 2004, Vol. 20 ›› Issue (4): 403-406.

• Articles • 上一篇    下一篇

Production of Ammonium Lactate by Fed-batch Fermentation of Rhizopus oryzae from Corncob Hydrolysate

BAI Dong-mei1, LI Shi-zhong1,2, LIN Fang-qian1   

  1. 1. School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, P. R. China;
    2. Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK
  • 收稿日期:2004-06-03 出版日期:2004-08-24 发布日期:2011-08-06
  • 基金资助:

    Partially suppored by a grant for the UK DTI-China MOST Collaborative Research.

Production of Ammonium Lactate by Fed-batch Fermentation of Rhizopus oryzae from Corncob Hydrolysate

BAI Dong-mei1, LI Shi-zhong1,2, LIN Fang-qian1   

  1. 1. School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, P. R. China;
    2. Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK
  • Received:2004-06-03 Online:2004-08-24 Published:2011-08-06
  • Supported by:

    Partially suppored by a grant for the UK DTI-China MOST Collaborative Research.

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摘要： L- (+)-Lactic acid production from corncob hydrolysate as a cheap carbohydrate source by fed-batch fermentation of Rhizopus oryzae HZS6 was studied.After 96 h of fermentation in a 5 L fermentor, the final concentration of ammonium L-(+)-lactate, average productivity(based on initial xylose concentration) and max(+)-lactate was 98.8%.

关键词: Corncob hydrolysate, Ammonium lactate, Rhizopus oryzae, Fed-batch fermentation

Abstract: L- (+)-Lactic acid production from corncob hydrolysate as a cheap carbohydrate source by fed-batch fermentation of Rhizopus oryzae HZS6 was studied.After 96 h of fermentation in a 5 L fermentor, the final concentration of ammonium L-(+)-lactate, average productivity(based on initial xylose concentration) and max(+)-lactate was 98.8%.

Key words: Corncob hydrolysate, Ammonium lactate, Rhizopus oryzae, Fed-batch fermentation