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  2. Fermentation in winemaking - Wikipedia

    en.wikipedia.org/wiki/Fermentation_in_winemaking

    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 ...

  3. Winemaking - Wikipedia

    en.wikipedia.org/wiki/Winemaking

    Winemaking. Wine grapes from the Guadalupe Valley in Ensenada, Baja California, Mexico. Winemaking, wine-making, or vinification is the production of wine, starting with the selection of the fruit, its fermentation into alcohol, and the bottling of the finished liquid. The history of wine -making stretches over millennia.

  4. Malolactic fermentation - Wikipedia

    en.wikipedia.org/wiki/Malolactic_fermentation

    Chemically, malolactic fermentation is a decarboxylation, which means carbon dioxide is liberated in the process. [2][3] The primary function of all these bacteria is to convert L-malic acid, one of the two major grape acids found in wine, to another type of acid, L+ lactic acid. This can occur naturally. However, in commercial winemaking ...

  5. Yeast in winemaking - Wikipedia

    en.wikipedia.org/wiki/Yeast_in_winemaking

    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 ...

  6. Glossary of winemaking terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_winemaking_terms

    A winemaking practice of fermenting whole grapes that have not been crushed. This intracellular fermentation (as opposed to the traditional extracellular fermentation of wine yeast) tends to produce fruity, deeply colored red wines with low tannins Casein A fining agent derived from a milk protein. Cask

  7. Co-fermentation - Wikipedia

    en.wikipedia.org/wiki/Co-fermentation

    Co-fermentation. Co-fermentation is the practice in winemaking of fermenting two or more fruits at the same time when producing a wine. [1] This differs from the more common practice of blending separate wine components into a cuvée after fermentation. While co-fermentation in principle could be practiced for any mixture of grape varieties or ...

  8. Sugars in wine - Wikipedia

    en.wikipedia.org/wiki/Sugars_in_wine

    Fructose, along with glucose, is one of the principal sugars involved in the creation of wine. At time of harvest, there is usually an equal amount of glucose and fructose molecules in the grape; however, as the grape overripens the level of fructose will become higher. In wine, fructose can taste nearly twice as sweet as glucose and is a key ...

  9. Zymology - Wikipedia

    en.wikipedia.org/wiki/Zymology

    Beer fermenting at a brewery. Zymology, also known as zymurgy, [a] is an applied science that studies the biochemical process of fermentation and its practical uses. Common topics include the selection of fermenting yeast and bacteria species and their use in brewing, wine making, fermenting milk, and the making of other fermented foods.

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