How does the choice of closure impact wine preservation?

The choice of closure significantly impacts wine preservation due to the differing properties of cork and screw caps. Corks allow for a small amount of micro-oxidation, which is the gradual influx of oxygen into the wine over time. This can be beneficial for aging certain types of wine, particularly red wines, as it can help develop complexity and soften tannins.

On the other hand, screw caps provide an airtight seal that minimizes oxygen exchange. This is advantageous for wines that are meant to be consumed while they are still fresh, such as many white wines, as it helps to preserve the wine's fruity and floral characteristics without the influence of oxidation.

The distinction between these two closure types illustrates how they can influence the aging process, flavor development, and ultimately the quality of the wine over time. Understanding these differences allows winemakers to choose the most suitable closure based on the desired characteristics of the wine.