Summary
The fermentation of glucose by Clostridium acetobutylicum on a synthetic medium is carried out with a conversion of carbon source into solvents of 32 %. The ratio of butanol, acetone and ethanol products is approximately 0.6 - 1.9 - 6. The synthetic medium supplemented with acetic acid at a concentration of 2 g/l increases acetone formation and the ratio of products is approximately 0.5 - 3 - 6 with a conversion of glucose into solvents of 34 %. The addition of 2 g/l butyric acid permits obtaining a distribution of 0.8 - 2.4 - 6, with a conversion of 35 %.
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Martin, J.R., Petitdemange, H., Ballongue, J. et al. Effects of acetic and butyric acids on solvents production by Clostridium acetobutylicum. Biotechnol Lett 5, 89–94 (1983). https://doi.org/10.1007/BF00132165
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DOI: https://doi.org/10.1007/BF00132165