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Fermented: Wine, cider and perry are produced by similar fermentation of natural sugar in apples and pears, respectively; and other fruit wines are produced from the fermentation of the sugars in any other kinds of fruit. Liquors: Brandy and eaux de vie (e.g. slivovitz) are produced by distillation of these fruit-fermented beverages.
The process of fermentation at work on Pinot noir. As yeast consume the sugar in the must it releases alcohol and carbon dioxide (seen here as the foaming bubbles) as byproducts. The role of yeast in winemaking is the most important element that distinguishes wine from fruit juice.
A winemaker who wishes to make a wine with high levels of residual sugar (like a dessert wine) may stop fermentation early either by dropping the temperature of the must to stun the yeast or by adding a high level of alcohol (like brandy) to the must to kill off the yeast and create a fortified wine. [11]
In Germany fruit dessert wines are fruit wines with more than 12.0% vol. In Austria they need an alcohol content of at least 13.0% vol. to a maximum of 22.0% vol. The total alcohol content may be increased by adding alcohol, fruit spirits, sugar, fruit juice and fruit juice concentrate to the fruit wine or cider.
Not all sugars are fermentable, with sugars like the five-carbon arabinose, rhamnose and xylose still being present in the wine after fermentation. Very high sugar content will effectively kill the yeast once a certain (high) alcohol content is reached. For these reasons, no wine is ever fermented completely "dry" (meaning without any residual ...
Refers to the alcohol content of a beverage. In the United States, proof represents twice the alcohol content as a percentage of volume. Thus, a 100 proof beverage is 50% alcohol by volume and a 150 proof beverage is 75% alcohol. In the Imperial system, proof, (or 100% proof), equals 57.06% ethanol by volume, or 48.24% by weight.
For cider production, it is important that the fruit contains high sugar levels which encourage fermentation and raise the final alcohol levels. Cider apples therefore often have higher sugar levels than dessert and cooking apples. It is also considered important for cider apples to contribute tannins, which add depth to the finished cider's ...
Apfelwein is made from pressed apples. The juice or must is fermented with yeast to produce an alcoholic beverage usually around 6% ABV.It can be made with the addition of the unprocessed juice from the fruit of a small, indigenous tree known as Speierling (Sorbus domestica) or Speyerling, an endangered species that is easily confused with the wild apple.