Thanks for your great follow-up to last week’s question about bottle aging and acidity. As I explained in that answer, once a wine has gone through fermentation and is sealed in the bottle, the ...

But these are all actually distinct properties of wine. It's important to understand what "acidity" really means in this context. Plenty of fruits contain natural acids, and grapes are no different.

The principal acid in grapes and wine; contributes to taste and stabilizes color. Unlike malic acid, tartaric acid does not decline as grapes ripen. Tartaric acid can precipitate out of solution in ...