Comparison of Polish industrial distillery yeast with ethanol producing bacteria Zymomonas mobilis

• Autorzy: Nowak J.
• Języki publikacji: EN

Abstrakty

EN

Comparison between ethanol producing bacteria Zymomonas mobilis (strain CCM 3881 and CCM 3883) and commercial yeast (D2, Bc-16a) was made using glucose medium. While the differences between bacteria and yeasts in low glucose medium (85.5 g/dcm3) were not of statistical importance, ethanol yield and sugars utilization were higher for Z. mobilis on medium with high concentration of glucose (150-250 g/dcm3). The bacteria growth was less inhibited by alcohol in the medium than yeasts. The bacteria biomass needed for 1 dcm3 ethanol production was from 2 times (glucose medium 85.5 g/dcm3) to 3-4 times (241 g glucose in 1 dcm3 medium) less than yeasts.

Słowa kluczowe

EN

yeast; Zymomonas mobilis; commercial yeast; continuous fermentation; ethanol productivity; ethanol yield; bacteria; distillery yeast

• Wydawca: -
• Czasopismo: Electronic Journal of Polish Agricultural Universities. Series Food Science and Technology
• Rocznik: 2001
• Tom: 04
• Numer: 2
• Opis fizyczny: http://www.ejpau.media.pl

Twórcy

autor

Nowak J.

• Agricultural University of Poznan, Wojska Polskiego 31, 60-624 Poznan, Poland

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