Tequila, like many spirits, does definitely not expire in the exact same way that perishable foods do, but it may undergo changes as time passes that affect its taste and quality. While tequila may be stored for long periods without spoiling, its flavor may evolve and diminish with time because of factors such as for instance oxidation and contact with light and heat. Generally, unopened bottles of tequila may be stored indefinitely without significant degradation in quality, so long as they are kept in a cool, dark place from sunlight and temperature fluctuations.

However, once a container of tequila is opened, its shelf life may vary depending on what it's stored and the conditions it is exposed to. Contact with oxygen can cause the flavors of tequila to improve over time, resulting in a loss in freshness and complexity. Additionally, if a bottle of tequila is stored improperly, such as in a warm or humid environment, it may become prone to spoilage and degradation.

To prolong the shelf life of does tequila expire opened bottle of tequila, it is important to store it properly by keeping it tightly sealed and from heat, light, and oxygen. Some tequila enthusiasts also recommend storing opened bottles in the refrigerator to decrease the oxidation process and preserve the flavor. However, it's important to see that storing tequila in the refrigerator may cause it to become cloudy, but this doesn't affect its quality or safety.

In terms of taste, tequila could become smoother and more mellow with age, particularly if it is aged in oak barrels. However, prolonged contact with oxygen also can cause the flavors of tequila to become dull and flat, leading to a loss of complexity and character. As a result, it is generally recommended to eat opened bottles of tequila within a couple of months to a year for optimal flavor and quality.

Ultimately, while tequila does not expire in the traditional sense, it may undergo changes as time passes that affect its taste and quality. By storing tequila properly and consuming it in just a reasonable timeframe, you are able to ensure that you enjoy the full flavor and character with this beloved spirit.