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Large pectin molecules can affect the amount of juice yielded at pressing, ease of filtration and clarification, and extraction of tannins. Grapes contain natural pectolytic enzymes responsible for softening the grape berries during ripening, but these are not active under wine-making conditions (due to pH level, SO 2, and alcohol.) Therefore ...
Vinotherapy, also written "Vinotherapie", describes a beauty therapy process where the residue of wine making (the pips and pulp) are rubbed into the skin. The pulp is claimed to have exfoliating qualities and to help reduce the signs of ageing.
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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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.
While a small amount stays presence in the wine as carbonic acid, most of the gas will rise to the surface of the fermentation vessel and attempt to escape into the air. If the fermentation vessel is closed (such as a sealed wine bottle used to make sparkling wine), the gas will dissolve into the wine and when released will make the wine sparkling.
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For Rosé, red wine grapes are allowed some maceration between the skins and must, but not to the extent of red wine production. [ 1 ] While maceration is a technique usually associated with wine, it is used with other drinks, such as Lambic , pioĊunówka , Campari and crème de cassis , and also used to steep unflavored spirit with herbs for ...