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2013 | 15 | 4 | 102-106

Article title

Utilization of spent brewer’s yeast for supplementation of distillery corn mashes

Content

Title variants

Languages of publication

EN

Abstracts

EN
The aim of the study was to use spent brewer’s yeast biomass (SBY) as a nutrient adjunct of distillery type corn mashes to improve the process of ethanol fermentation by yeast Saccharomyces cerevisiae. There were prepared corn mashes with raw material loading at 20% ww. with SBY addition at solids loadings of 0 (control); 0.1; 0.5; 0.7; 1.0; 3.0 and 5.0% ww. The obtained mashes were inoculated with yeast and subjected to batch fermentation for 72 h. It was observed that supplementation of corn mashes with SBY improved the process of fermentation. The consumption of sugars and production of ethanol by yeast in supplemented mashes was accelerated and the overall ethanol yield was improved by 6.5 to 11% depending on the amount of added SBY. It was also observed that the fermentation could be shortened by 24 h in mashes enriched with SBY.

Publisher

Year

Volume

15

Issue

4

Pages

102-106

Physical description

Dates

published
1 - 12 - 2013
online
31 - 12 - 2013

Contributors

  • Wrocław University of Environmental and Life Sciences, Department of Food Storage and Technology, ul. Chełmońskiego 37/41, 51-630 Wrocław, Poland
  • Wrocław University of Environmental and Life Sciences, Department of Food Storage and Technology, ul. Chełmońskiego 37/41, 51-630 Wrocław, Poland

References

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  • 9. Liu, H., Lin, J.P., Cen, P.L. & Pan, Y.J. (2004). Co-production of S-adenosyl-L-methionine and glutathione from spent brewer’s yeast cells. Process Biochem. 39, 1993-1997. DOI: 10.1016/j.procbio.2003.09.031.[Crossref]
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  • 19. Laopaiboon, L., Nuanpeng, S., Srinophakun, P., Klanrit, P. & Laopaiboon, P. (2009). Ethanol production from sweet sorghum juice using very high gravity technology: Effects of carbon and nitrogen supplementations. Bioresource Technol., 100, 4176-4182. DOI: 10.1016/j.biortech.2009.03.046.[Crossref][WoS]
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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_pjct-2013-0076
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