Why does wine go bad once opened




















Few words about storing unopened bottles of wine. When wine is stored unopened, it ages. When you plan to store an unopened bottle of wine for longer than a few weeks, you should keep it in a lying position. If the cork deteriorates and starts to let air inside the bottle, wine stops aging and it starts to deteriorate. Eventually, it will go bad. Like this content? Get the newsletter. Napa Valley Map. Courtesy of Unsplash Marcelo Leal.

Share with your friends. The article is called Does Wine Expire? That would be like asking how long you have to eat a Snickers after you unwrap it versus how long you have to eat an organic banana after you peel it. They are radically different.

One is built to sit on gas station shelves for years and the other just got picked and has about three days before it dies. A nitrogen sealant is another preservation method. Releasing nitrogen into the bottle displaces oxygen, theoretically keeping it from tainting the flavor. It was a controlled test, though not with a large enough sample of participants to be truly scientific.

We were interested to see whether wine drinkers-a couple of wine lovers and several casual consumers-could tell the vacuum- and nitrogen-preserved wine from wine that had simply been recorked after opening.

The test was conducted on a white German Riesling, opened and preserved for a week and, for some tasters, two weeks , and an American pinot noir, preserved for three days. In both cases, a fresh bottle was opened for comparison when the preserved wine was tasted.



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