Sometimes red wine can go bad after opening. Oxygen turns red wine into vinegar. Thus the key is to reduce the amount of oxygen touching the surface when storing open red wine. There are a few methods used to prolong shelf life, all based on minimizing exposure to oxygen either by replacing or removing the oxygen or reducing the surface area of the wine. With the necessary TLC some red wines can be stored open for up to a week.
Basics After Opening
Re-cork the wine after every glass pour. Keep the open wine bottle out of light and stored under room temperature. In most cases a refrigerator goes a long way to keeping wine fresh longer; even red wines. When stored at colder temperatures the chemical processes slow down, including the process of oxidation that takes place when wine is exposed to oxygen. Wine stored by cork inside the fridge will stay relatively fresh for up to 3-5 days. This is a good start, but I think we can do better!
- For best results, store the wine upright to minimize surface area exposed to oxygen.
- Prevent dramatic temperature changes which can damage your wine, such as quickly going from cold to hot.
- You can warm up a red wine bottle in luke warm water. Be careful not to use hot water, it should only be slightly warmer than room temperature.