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Effect of growth rate on ethanol production byThermoanaerobacter ethanolicus in glucose- or xylose-limited continuous culture

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Summary

Growth ofT. ethanolicus in fermentors was limited by either glucose and the growth rate was varied. Under xylose-limitation, lower ethanol yields occurred at higher growth rates.

Regression analysis showed that for growth on either sugar, ethanol yield was more dependent upon length of cultivation than upon growth rate. As well, a high degree of inter-experimental trial variation was found, though a yield of 0.44 g/g of ethanol from xylose was repeatedly achieved.

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Authors and Affiliations

  1. Department of Biochemistry, University of Toronto, M5S 1A8, Toronto, Ontario, Canada

    Lynda S. Lacis & Hugh G. Lawford

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  1. Lynda S. Lacis
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  2. Hugh G. Lawford
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Lacis, L.S., Lawford, H.G. Effect of growth rate on ethanol production byThermoanaerobacter ethanolicus in glucose- or xylose-limited continuous culture. Biotechnol Lett 10, 603–608 (1988). https://doi.org/10.1007/BF01027138

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  • DOI: https://doi.org/10.1007/BF01027138

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