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Extractive fermentation of lactic acid by immobilizedLactobacillus casei using ion—exchange resin

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Biotechnology Techniques

Summary

A novel method of lactic acid fermentation byLactobacillus casei immobilized in Ca—alginate gels is described, in which an ion—exchange resin packed column is attached to a fermentor for separation of lactic acid from fermentative broth. The technique successfully alleviated the restriction imposed by lactic acid on bacterial growth and product formation. As compared to the conventional batch fermentation, the new fermentation technique enhanced the lactic acid productivity and sugar conversion rate from 0.328g/L·h and 88. 2% to 0.482g/L·h and 98.6%, respectively.

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Author notes

  1. Wang Jianlong

    Present address: Department of Environmental Engineering, Tsinghua University, 10084, Beijing, P. R. China

Authors and Affiliations

  1. Dept. of Applied Chemistry, Harbin Institute of Technology, 15001, Harbin, P. R. China

    Wang Jianlong, Liu Ping & Zhou Ding

Authors
  1. Wang Jianlong
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  2. Liu Ping
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  3. Zhou Ding
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Jianlong, W., Ping, L. & Ding, Z. Extractive fermentation of lactic acid by immobilizedLactobacillus casei using ion—exchange resin. Biotechnol Tech 8, 905–908 (1994). https://doi.org/10.1007/BF02447737

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  • DOI: https://doi.org/10.1007/BF02447737

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