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what changes will you observe during as well as after the formation of alcohol??​

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I am not getting the question can you please send it again

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Biotechnological Interventions in Beverage Production

Santanu Malakar, ... K.R. Jolvis Pou, in Biotechnological Progress and Beverage Consumption, 2020

1.2.1.2 Alcoholic Fermentation

Alcoholic fermentation is a biotechnological process accomplished by yeast, some kinds of bacteria, or a few other microorganisms to convert sugars into ethyl alcohol and carbon dioxide. In this fermentation process, yeast is mostly used as a bio-culture and aqueous solution of monosaccharide (raw materials) as the culture media for the production of beverages. In the alcoholic fermentation process, yeast generally carries out the aerobic fermentation process, but it may also ferment the raw materials under anaerobic conditions. In the absence of oxygen, alcoholic fermentation occurs in the cytosol of yeast (Sablayrolles, 2009; Stanbury et al., 2013). Alcoholic fermentation begins with the breakdown of sugars by yeasts to form pyruvate molecules, which is also known as glycolysis. Glycolysis of a glucose molecule produces two molecules of pyruvic acid. The two molecules of pyruvic acid are then reduced to two molecules of ethanol and 2CO2 (Huang et al., 2015).