How does red wine ruin and how can you inform if it has gone bad?

White wine is made through a fermentation process of the sugars in grapes developing into alcohol.  https://tastykoreachannel.com/?p=307 Gradually, that fermentation procedure will continue and the white wine will become vinegar. That's why an old, unopened bottle of red wine will likely be vinegar.

Bonuses You can tell if white wine has gone bad if it has an unique vinegar smell, if it tastes unpleasant, or if it has actually changed color. If it has any mold growing on it, it's also a sign that it's gone bad.

Look At This If you're not exactly sure if your white wine has gone bad, it's better to err on the side of caution and discard it. Wine that has actually spoiled will not make you sick, however it's not going to taste great either.

To prevent your white wine from going bad, make sure to store it appropriately. Wine must likewise be kept upright so that the cork doesn't dry out and let air into the bottle.