The Fermentation of Fructose in Winemaking

Glucose and fructose are the main fermentable sugars in wine must. During alcoholic fermentation, yeast convert most of the glucose and fructose present into alcohol and CO2. Saccharomyces cerevisiae is a glucophilic yeast, preferring glucose over fructose. This issue of ‘The WiAbility of Wine Yeast to Consume Fructosene Expert’ further explains this phenomenon.