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2015•Journal of Introductory Biology InvestigationsRequires access

Yeast, Yeast Baby: Production of Ethanol by Yeast

Hannah Coplen, Cheyenne Allison, Dylan Asher, Miranda Kersten

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Abstract

In this experiment, we are testing the hypothesis that ethanol levels are lower at cooler temperatures, because of the process of cellular respiration. We tested the production of ethanol levels in chambers at 6, 12, 18, and 23 degrees Celsius. Using an ethanol probe, we measured the ethanol levels of the solution. As other results have shown yeast produces more ethanol in warmer temperatures than in freezing temperatures ( Llaurado et al. 2002, Phimolsiripol et al. 2008). The results from our experiment supported our hypothesis.

About this research paper

What this paper is about

In this experiment, we are testing the hypothesis that ethanol levels are lower at cooler temperatures, because of the process of cellular respiration. We tested the production of ethanol levels in chambers at 6, 12, 18, and 23 degrees Celsius. Using an ethanol probe, we measured the ethanol levels of the solution. As other results have shown yeast produces more ethanol in warmer temperatures than in freezing temperatures ( Llaurado et al. 2002, Phimolsiripol et al. 2008). The results from our experiment supported our hypothesis.

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Available abstract

In this experiment, we are testing the hypothesis that ethanol levels are lower at cooler temperatures, because of the process of cellular respiration. We tested the production of ethanol levels in chambers at 6, 12, 18, and 23 degrees Celsius. Using an ethanol probe, we measured the ethanol levels of the solution. As other results have shown yeast produces more ethanol in warmer temperatures than in freezing temperatures ( Llaurado et al. 2002, Phimolsiripol et al. 2008). The results from our experiment supported our hypothesis.

Key concepts: Yeast, Ethanol, Ethanol fuel, Chemistry, Food science, Respiration, Biology, Biochemistry

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