Editor: Chinese Food Network Mobile site
We all know that there are many types of wine, and red wine is one of the most common.Many people end up drinking more red wine than they intended. So, how long can leftover red wine be kept after opening?
In general, it's best to finish drinking red wine within one day after opening, as prolonged storage can lead to oxidation and affect the flavor.So, how long can opened red wine be stored?Let's take a closer look!

How long can opened red wine be stored?
In the refrigerator, it can be stored for 1 week.
If you have leftover red wine after opening, put the cork back in and store it upright in the refrigerator for 1 week.You can also add a plastic bag around the bottle to prevent the refrigerator's odor from affecting the wine's flavor.How much does the refrigerator's temperature affect the wine's flavor?
It can be stored for 1-3 days at room temperature.
Low-alcohol red wine can be stored for 1 day at room temperature if the cork is put back in, but high-alcohol red wine can only be delayed for 3 days.
Storing with air circulation can last for 2-3 days.
Using a vacuum pump to remove the air in the bottle, or filling with an inert gas, can prevent red wine from oxidizing and spoiling, allowing it to be stored for 2-3 days, or no more than 1 week.

How to extend the storage time of opened red wine?
1. Immediately replace the cork after opening the red wine to prevent excessive air from entering the bottle, maintaining the wine's quality.
2. Use a vacuum pump to remove the air in the bottle.You can also pour the leftover red wine into smaller bottles to ensure there is no excess space for air to remain, which is a more economical option.
3. The best way to store red wine is to place it on its side, which helps the sediment settle and also saturates the cork, making the bottle mouth tighter, which helps maintain the wine's quality.
4. Avoid direct sunlight as much as possible, and use brown bottles. Store in a cool, dry place.

How to determine if leftover red wine has spoiled?
Color
If the red wine is not clear, or the wine color is dull, or if there are snow-like particles on the surface of the red wine, it is spoiled. It's best not to drink it.
Flavor
If the red wine has an unusual smell, such as a rotten or vinegary smell.AppleOr pungentVinegarSour taste, it's best not to drink it.
Taste
If the red wine becomes more sour or bitter than before, it's a sign of spoilage.