Determining whether a bottle of wine is going to last, is not an exact science. Majority of the wine experts use deductive reasoning based on their past experiences to determine how precisely fine wines age. A bottle of wine will age correctly for twelve years and may not taste as good in its initial few years. However, there are four essential characteristics which help determine if it is going to last or not.
It is a proven fact that wines with higher acidity content, last longer. When the wine ages gradually, it slowly loses its acid and flattens out. A bottle of wine with lower levels of acidity is incapable of making it in the long run, whereas wine with a higher acid content has ages to go.
Tannin serves as a structural component. Red wines with a higher level of tannins tend to age better than lower tannin red wines. Tannins are made from the skin and pips of grapes during the winemaking and also from oak aging. A bottle of wine with the perfect combination and balance of tannin including wood tannin and grape tannin will tend to gradually smooth out over time as the tannins need to break down. Tannins aid wine in aging well. If the wine is not perfectly balanced, to begin with, it will fail to improve through time.
3. Alcohol level
Alcohol is volatile in nonfortified wines and can lead to the wine turning into vinegar more quickly. It is observed; lower the level of alcohol in nonfortified wines, the longer it will last. When planning to age wine, check the alcohol level and hope for an ABV below 13.5 percent. Even though the high presence of alcohol ruins ordinary still wines, fortified wines, on the other hand, are probably the longest-lived among all wines with a 17-20 percent of ABV.
4. Residual sugar
The component of residual sugar is often overlooked due to the popularity of aging dry wines. The longest lived and oldest wines tend to be sweetest and delicious ones such as Sherry, Port, Riesling, and Sauternes.
Other aging issues
Besides the wine itself from being the right wine to age, the various components like the bottle, stopper, and storage method selected adversely affect how long duration will include the wine age.