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Saccharomyces cerevisiae in the Production of Fermented Beverages
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Beverages 2016, 2(4), 34; doi:10.3390/beverages2040034

Saccharomyces species in the Production of Beer

The International Centre for Brewing and Distilling, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS, Scotland, UK
Academic Editor: Edgar Chambers IV
Received: 20 October 2016 / Revised: 25 November 2016 / Accepted: 25 November 2016 / Published: 2 December 2016
(This article belongs to the Special Issue Saccharomyces cerevisiae)
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Abstract

The characteristic flavour and aroma of any beer is, in large part, determined by the yeast strain employed and the wort composition. In addition, properties such as flocculation, wort fermentation ability (including the uptake of wort sugars, amino acids, and peptides), ethanol and osmotic pressure tolerance together with oxygen requirements have a critical impact on fermentation performance. Yeast management between fermentations is also a critical brewing parameter. Brewer’s yeasts are mostly part of the genus Saccharomyces. Ale yeasts belong to the species Saccharomyces cerevisiae and lager yeasts to the species Saccharomyces pastorianus. The latter is an interspecies hybrid between S. cerevisiae and Saccharomyces eubayanus. Brewer’s yeast strains are facultative anaerobes—they are able to grow in the presence or absence of oxygen and this ability supports their property as an important industrial microorganism. This article covers important aspects of Saccharomyces molecular biology, physiology, and metabolism that is involved in wort fermentation and beer production. View Full-Text
Keywords: amino acids; ethanol; fermentation; malt; peptides; Saccharomyces species; sugars; wort; yeast amino acids; ethanol; fermentation; malt; peptides; Saccharomyces species; sugars; wort; yeast
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Stewart, G.G. Saccharomyces species in the Production of Beer. Beverages 2016, 2, 34.

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