How does red wine spoil?

If you've ever found a bottle of red wine that's been being in your kitchen for a few months (or years) and taken a smell, you understand that wine can go bad. While red wine doesn't technically spoil the method other food does, exposure to sunlight, oxygen, and heat can cause it to deteriorate, giving it an unpleasant taste.

So how does white wine ruin?  https://freecex.com/?p=829 In time, the substances in white wine that provide it its signature taste and scent break down, and the white wine starts to taste flat and vinegar-y. This process is speeded up by heat and light, so it's essential to store wine in a cool, dark location.

https://9tolife.co.uk/?p=927 Interestingly, wine really improves with age, up to a point. As wine ages, the tannins (compounds that provide it a bitter flavor) start to break down and the wine becomes smoother and more complex. This is why numerous red wines enhance with age and why most gewurztraminers are best consumed young.

However, when a red wine begins to ruin, there's no going back. Once those tannins have actually broken down, they're chosen excellent. So if you stumble upon an old bottle of wine that's starting to turn, it's best to simply pour it down the drain.