Just how does grape juice become wine anyway? In today's edition of Ask The Expert we examine the core process behind the transformation of grapes into the product we love so much - wine! For our ...

Alcoholic Fermentation: Also called primary fermentation, this is the process in which yeasts metabolize grape sugars and produce alcohol, carbon dioxide and heat. The final product is wine. More ...

Ancestral Method: An inexpensive but risky and difficult-to-control method of producing sparkling wine, and almost certainly the oldest, in which the primary fermentation is stopped before completing, ...

Through empirical observation, people learned that temperature and air exposure are key to the fermentation process. Wine producers traditionally used their feet to soften and grind the grapes ...