News International Sugar Journal

Boosting yeast’s ethanol yields through increasing its tolerance to high temperature [Registered]

With a simple mutation, yeast can grow in higher than normal temperatures. Researchers at Chalmers University of Technology demonstrate this in an article published in the scientific journal Science. The findings may result in ethanol being more effectively manufactured. If industrial yeast cultivation is not cooled, the yeast cells die from the heat they themselves produce. Yeast cultivation is currently cooled to 30 degrees, the temperature at which the yeast cells can best do their job – producing ethanol. However, the production of bioethanol could be both less expensive and more effective if the temperature could be maintained at 40…

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