Summary
The experiments on the fermentation of glucose to ethanol were carried out using the yeast Saccharomyces carlsbergensis W 34. The fermentation time could be reduced to 6 hours. Biomass degradation products such as cellobiose, dihydroxyacetone, glyceraldehyde, showed no or little effect on the fermentation rate. Hydroxymethylfurfural, furfural, methylglyoxal and lignin compounds such as phenol and vanillin inhibit the fermentation in the 1 to 10 mg/mL range very decisively.
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Pfeifer, P.A., Bonn, G. & Bobleter, O. Influence of biomass degradation products on the fermentation of glucose to ethanol by Saccharomyces carlsbergensis W 34. Biotechnol Lett 6, 541–546 (1984). https://doi.org/10.1007/BF00139999
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DOI: https://doi.org/10.1007/BF00139999