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runslowgethungry t1_jd7nf46 wrote

Reply to comment by big_sugi in Can you extract a fully concentrated liquid out of an ice cube (like Coca Cola) until there's almost no water left? by Froggiebuns

Icewine, though, is traditionally made by pressing frozen grapes to produce a highly concentrated juice, then fermenting that. It's not produced by freezing an already fermented alcoholic liquid.

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big_sugi t1_jd7yhoj wrote

Depends on the ice wine, but you’re right as to the German/Austrian-style eisweins.

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runslowgethungry t1_jd80ozu wrote

I guess I've just never heard of anything being called "icewine" (or wine of any kind) that was frozen and concentrated after fermentation. There are a variety of alternative ways to achieve the initial concentration by freezing the fruit or the must, but that always happens pre-fermentation, not post-. That's one reason why icewines typically have lowish alcohol - the sugar content of the must is so high that the yeast can't fully ferment it.

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