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The art and science of making wine. Also called enology (or oenology). Not to be confused with viticulture. Vinification The process of making grape juice into wine. Vin jaune French for "yellow wine", a wine fermented and matured under a yeast film that protects it, similar to the flor in Sherry production. Vinimatic
Malolactic fermentation can aid in making a wine "microbiologically stable" in that the lactic acid bacteria consume many of the leftover nutrients that other spoilage microbes could use to develop wine faults. However, it can also make the wine slightly "unstable" due to the rise in pH, especially if the wine already was at the high end of ...
The natural occurrence of fermentation means it was probably first observed long ago by humans. [3] The earliest uses of the word "fermentation" in relation to winemaking was in reference to the apparent "boiling" within the must that came from the anaerobic reaction of the yeast to the sugars in the grape juice and the release of carbon dioxide.
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.
But the mass production of cheap wines elsewhere in California, as well as the abundant grapes grown in that state's central valley, put a decades-long halt to wine-making and the last winery closed in the early 1950s. [4] Snow Mountain Winery opened in 1980, the first to bring professional winemaking back to the city.
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 French regions to produce sparkling wines (not called "Champagne"), in Spain to produce cava , in Portugal to produce Espumante and in Italy to produce Franciacorta .
In surface filtration, the wine passes through a thin membrane. Running the wine parallel to the filter surface, known as cross-flow filtration, will minimize the filter clogging. The finest surface filtration, microfiltration, can sterilize the wine by trapping all yeast and, optionally, bacteria, and so is often done immediately prior to ...
The effects of autolysis on wine contributes to a creamy mouthfeel that may make a wine seem to have a fuller body. The release of enzymes inhibits oxidation which improves some of the aging potential of the wine. The mannoproteins improve the overall stability of the proteins in the wine by reducing the amount of tartrates that are ...
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