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Dear Dr. Vinny,
I was watching a wine segment on PBS and the wine expert was discussing freezing wine as a way to make it last longer. What are your feelings on this?
—Margaret M., Mt. Airy, Md.
I know some people who put leftover wine in their freezer for safekeeping, which they will later defrost and drink or cook with. I think that’s fine, but I wouldn’t consider the freezer an appropriate place for long-term aging of wine.
Please be careful if you put wine in a freezer. As it begins to freeze, the water will expand and start to put pressure on its container, so make sure the container has some headroom to allow for the liquid’s expansion. (This is one reason why putting a full bottle of wine in a freezer may not be a great idea—you run the risk of the frozen wine pushing out the cork or even shattering the bottle.) While the water content freezes at about 32 degrees F, the temperature will need to get down to about 15 or 20 degrees F for an extended period before the wine will turn into an ice cube.
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