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High productivity ethanol fermentation on a mineral medium using a flocculent strain ofZymomonas mobilis

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Summary

A flocculent strain ofZymomonas mobilis (ZM4F JM1) was isolated in continuous culture. The parent strain, ZM4F, had lost its flocculating properties. The isolation was done in a conical fermentor at high dilution rate. Ethanol production by the new strain was then compared on a rich and mineral medium. The mineral medium showed high performance and could be used for industrial production of ethanol since it reduced one hundred fold the vitamin cost of the fermentation.

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Authors and Affiliations

  1. CNRS-LCB, Université de Provence, BP 71, 13277, Marseille Cedex 9, France

    J. Baratti

  2. N.C.L., Pune, India

    R. Varma

  3. Weizman Microbial Chemistry Laboratory, University of Manchester, M13 9PL, Manchester, England

    J. D. Bu'lock

Authors
  1. J. Baratti
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  2. R. Varma
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  3. J. D. Bu'lock
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Baratti, J., Varma, R. & Bu'lock, J.D. High productivity ethanol fermentation on a mineral medium using a flocculent strain ofZymomonas mobilis . Biotechnol Lett 8, 175–180 (1986). https://doi.org/10.1007/BF01029374

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  • DOI: https://doi.org/10.1007/BF01029374

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