Most fine wines are relatively expensive, especially if the whole bottle is not completely consumed and the leftovers are wasted. With the right steps, you can save wine that has been opened and enjoy it later. But how long can you store open wine?
Effects of Exposure
Once the cork is removed from the bottle and the wine is exposed to air, it will oxidize very quickly. Wine is made from fruit, and fruit will last only so long. Oxidation produces "off" flavors that can negatively affect the taste of your wine.
Unrefrigerated Storage
Generally, you can store wine in its original bottle for three to five days unrefrigerated. Be sure to replace the cork tightly to prevent air from entering the bottle. Also, keep the wine out of direct sunlight to prevent premature aging.
Refrigerated Storage
The shelf life can be extended a couple of days if the bottle is also refrigerated. Cooling slows the oxidation process, thereby extending the time the wine is still drinkable.
Try a Smaller Bottle
You can also add a couple more days beyond that by putting wine into a smaller bottle and corking it. Keep an empty half-sized wine bottle handy for just such occasions.
Considerations
After all that, it's best to finish wine as quickly as possible. You can invite friends over to enjoy it or use it in your cooking.
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