Cryoextraction
From Wikipedia, the free encyclopedia
For the medical term, see Cryoextraction (medicine).
Cryoextraction is the process by which grapes are frozen with refrigeration and pressed.
Winemakers subject grapes to temperatures around 20 degrees Fahrenheit (or -7 degrees Celsius), and press them while still frozen. Ice crystals remain in the press, while concentrated juice flows out. The resulting wine resembles ice wine.
The process of freeze distillation is similar in its concentrating effects, although it occurs after fermentation.
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