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Traditional method. A bottle of undisgorged Champagne resting on the lees. The yeast used in the second fermentation is still in the bottle, which is closed with a crown cap. The traditional method for producing sparkling wine is the process used in the Champagne region of France to produce Champagne. It is also the method used in various ...
The process of fermentation in winemaking turns grape juice into an alcoholic beverage. During fermentation, yeasts transform sugars present in the juice into ethanol and carbon dioxide (as a by-product). In winemaking, the temperature and speed of fermentation are important considerations as well as the levels of oxygen present in the must at ...
Glossary of winemaking terms. This glossary of winemaking terms lists some of terms and definitions involved in making wine, fruit wine, and mead. The main aldehyde found in wines, most notably Sherry. One of the primary volatile acids in wine. The process through which acetic acid is produced in wine.
Maceration is the winemaking process where the phenolic materials of the grape— tannins, coloring agents (anthocyanins) and flavor compounds—are leached from the grape skins, seeds and stems into the must. To macerate is to soften by soaking, and maceration is the process by which the red wine receives its red color, since raw grape juice ...
Autolysis in winemaking relates to the complex chemical reactions that take place when a wine spends time in contact with the lees, or dead yeast cells, after fermentation. While for some wines - and all beers [1] - autolysis is undesirable, it is a vital component in shaping the flavors and mouth feel associated with premium Champagne ...
The role of yeast in winemaking is the most important element that distinguishes wine from fruit juice. In the absence of oxygen, yeast converts the sugars of the fruit into alcohol and carbon dioxide through the process of fermentation. [1] The more sugars in the grapes, the higher the potential alcohol level of the wine if the yeast are ...