1, the shelf life of red wine is generally 2 to 5 years. Usually, wine has no shelf life, but is calculated according to the drinking period, which is the best drinking time of red wine. After the drinking period, it shows that the red wine has begun to deteriorate slowly.

2. Wine needs tannin (tannic acid) to age, and Cabernet Sauvignon (grape variety) is the most suitable for aging among many grape varieties because of its geographical factors and characteristics.