Tag: Saccharomyces

When you ask what yeast is in wine, you’re really asking what transforms grape juice into an alcoholic beverage with complex aromas. The direct answer is that yeast is the microscopic, single-celled fungi responsible for converting the natural sugars in grape must (crushed grapes and juice) into alcohol and carbon dioxide. Without yeast, there would […]

The air in the cellar hangs heavy, sweet with fermenting grapes, a quiet, insistent fizz rising from vast stainless-steel tanks or ancient oak barrels. This transformation, from simple fruit juice to complex wine, is almost entirely orchestrated by yeast. While many types of yeast exist, the undisputed champion, and the primary answer to understanding yeast […]