Fermentation is the fundamental process in winemaking through which grapes are made into wine. Yeast fermentation is key to ...

At the time, nobody believed that yeast were alive; they were seen as just organic chemical agents required for fermentation. In the eighteenth and nineteenth centuries, chemists worked hard to ...

In practice, the weight of the grapes on the top crushes the grapes on the bottom and yeasts ferment the juice; the wine is partly a product of carbonic maceration and partly of traditional yeast ...