Chemistry of Wine
C6H12O6 → 2C2H5OH + 2CO2 is the formula for fermentation or in simple terms, one molecule of glucose or fructose converts into two molecules each of ethanol (alcohol) and carbon dioxide, as a result of the addition of yeast. In additon, there is a whole heap of other chemistry going on at the same time… Esters are aromatic compounds that are part of the glucose molecules that are released as the yeast consumes the glucose, These esters are the cause of the citrus, fruity and floral characteristics that are found in young wines. Tannins are the antioxidant polyphenols that naturally occur
