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

Since Pasteur's work, several types of microorganisms (including yeast and some bacteria) have been used to break down pyruvic acid to produce ethanol in beer brewing and wine making. The other by ...

To make wine, you need grape must ... and the grapes ferment while the yeast eats the natural sugar in the wine must. Cultured yeast is added to the grapes. Sulfur isn’t a bad thing in wine ...