Abstract:Bioethanol fermentation is continuously exposed to contamination by Lactic Acid Bacteria (LAB). In this study, the effect of adding nisin (250 mg l−1) to the acid wash on the viability of five bacterial contaminants were evaluated both alone and in co‐incubation with Saccharomyces cerevisiae. Additionally, fed ‐batch fermentation was performed using an acid or acid/nisin wash for S. cerevisiae alone and cocultured with the LAB strains. Parameters such as ethanol production, sugar consumption and lactic acid pro… Show more
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