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Table 1 Physiological parameters during fed-batch fermentation with S. cerevisiae Ethanol Red

From: A microbubble-sparged yeast propagation–fermentation process for bioethanol production

Propagation gassing typeFermentation gassing typeMaximum cell number (106 cells mL−1)Dry cell biomass (g L−1)Ethanol (g L−1)Viability (%)
21% O2 RBUngassed492 ± 14112.9 ± 3.4100 ± 591 ± 1%
21% O2 MBUngassed498 ± 13512.2 ± 0.796 ± 288 ± 5%
21% O2 MB1% O2 RB641 ± 7714.4 ± 2.396 ± 378 ± 4
21% O2 MB1% O2 MB721 ± 8514.8 ± 1.389 ± 375 ± 7