About 10 years.

Because wine contains a certain amount of alcohol, as long as the grapes are fully fermented, technically mature, and stored at a constant temperature. Red wine can be stored for ten years in a stable environment protected from light. Of course, there are red wines that taste better the longer they are stored, but not many. The earlier you drink red wine, the better. Generally, its quality will be affected after more than 5 years.

Precautions for drinking red wine

The drinking temperature should be determined according to the type of wine. Different types of wine will have different drinking temperatures. Generally, red wine tastes best when drunk between 16-18℃, and white wine is more refreshing and refreshing when drunk between 8-10℃.

Sweet wine is more balanced between sweet and sour when drunk between 5-6℃. The same type of wine requires different tasting temperatures. The suitable drinking temperature for heavier-bodied wines is 18°C, and the suitable drinking temperature for lighter-bodied wines is 14°C.