The effect of temperature on the CO2 Production of Saccharomyces cerevisiae

Taylor Dawes, Sarah McCormick, Trinity Higgins, Reagan Horan, Taylor Walton

Abstract


In order to maximize efficiency in the future, the baker’s yeast industry will need to produce yeast at a rapid rate in order to provide for a growing population. The goal of this study is to investigate how varying temperatures impact fermentation to determine an ideal temperature that will maximize the CO2 output of the baker’s yeast. The predicted outcome is that as temperature rises, so will the CO2 output.  Three trials were taken at cold temperature, room temperature, and a hot temperature. The results of the study supported the hypothesis by displaying a positive correlation between an increase in temperature and an increase in CO2 output. In order to maximize production, yeast should be grown at the highest temperature range within the study.


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References


Attfield, Paul. V. 1997. Stress tolerance: the key to effective strains of industrial baker’s yeast. Nature Biotechnology. 15: 1351-1357.

Brase, S., A. Riley, J. Canady, and L. Black. 2017. Yeast is a beast at producing CO2. Journal of Introductory Biology Investigations. 7: 1-3

Howell, A. 2011. Yeast Nutrition and successful fermentations. The Australian and New Zealand Grapegrower and Winemaker. 573: 101-102.

Spoerl, E. and R.J. Doyle. 1967. The influence of some hexitols and sugars on CO2 production by starved and x-irritated, starved yeast cells. Canadian Journal of Microbiology. 13: 811-817.

Spoerl, E. and R.J. Doyle. 1968. Selective enhancement of glycolytic activity by incubation of yeast cells in sugar and polyols. Canadian Journal of Microbiology. 14: 1245-1252.

McCoy, J., D. Jespersen, W. Hines, D. Husman, and J. Ren. 2017. Sugar, yeast, and carbon dioxide oh my!. Journal of Introductory Biology Investigations. 6:2, 1-3.


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