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Diacetyl and acetoin production from the co-metabolism of citrate and xylose by Leuconostoc mesenteroides subsp. mesenteroides

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Abstract

The co-metabolism of citrate plus xylose by Leuconostoc mesenteroides subsp. mesenteroides results in a growth stimulation, an increase in d-lactate and acetate production and repression of ethanol production. This correlated well with the levels of key enzymes involved. A partial repression of alcohol dehydrogenase and a marked stimulation of acetate kinase were observed. High citrate bioconversion yields in diacetyl plus acetoin were obtained at pH 5.2 in batch (11.5%) or in chemostat (up to 17.4%) culture. In contrast, no diacetyl or acetoin was detected in citrate plus glucose fermentation.

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Authors and Affiliations

  1. Laboratoire de Microbiologie, ENS.BANA, Université de Bourgogne, 1 Esplanade Erasme, F-21 000 Dijon, France Fax: +33 03 80 39 66 40 e.mail: hprevost@satie.u-bourgogne.fr, , , , , , FR

    P. Schmitt, C. Vasseur, V. Phalip, D. Q. Huang, C. Diviès & H. Prévost

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  1. P. Schmitt
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  2. C. Vasseur
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  3. V. Phalip
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  4. D. Q. Huang
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  5. C. Diviès
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  6. H. Prévost
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Received: 6 December 1996 / Received revision: 14 February 1997 / Accepted: 14 February 1997

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Schmitt, P., Vasseur, C., Phalip, V. et al. Diacetyl and acetoin production from the co-metabolism of citrate and xylose by Leuconostoc mesenteroides subsp. mesenteroides . Appl Microbiol Biotechnol 47, 715–718 (1997). https://doi.org/10.1007/s002530051000

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  • DOI: https://doi.org/10.1007/s002530051000

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