As an expert sommelier and brewer, I can provide you with some insights into the shelf life of opened wine. Generally, once a bottle of wine is opened, it starts to oxidize, which can lead to a loss of flavor and aroma over time. However, the exact timeline for how long an opened bottle of wine will remain drinkable can vary depending on various factors such as the type of wine, storage conditions, and personal preference.
If you have a classic wine style such as red, white, or Rosé wine, you can typically expect it to last for about 3-5 days in proper storage conditions. It is important to recork the bottle tightly or use a wine stopper to minimize the exposure to air. Storing the opened bottle in the refrigerator can also help slow down the oxidation process and extend its drinkability.
Champagne, on the other hand, has a shorter shelf life once opened due to its carbonation. It is best to consume Champagne within 1-3 days after opening to enjoy its effervescence and freshness. However, if you have a sparkling wine stopper that can help maintain the carbonation, you may be able to extend its drinkability for a few more days.
It's worth mentioning that while wine can still be drinkable after the recommended time frames, it may not be at its peak in terms of flavor and aroma. The longer a bottle of wine is open, the more it will likely lose its vibrant characteristics and develop a flat or dull taste. This is especially true for delicate and aromatic white wines.
Personal experiences can vary, and I have had instances where I've opened a bottle of wine and enjoyed it for up to a week without significant degradation in taste. However, this can depend on factors such as the quality of the wine, how well it was sealed, and storage conditions. It's always best to trust your senses and evaluate the wine before consuming it.
To summarize, opened wine generally lasts for about 3-5 days for classic wine styles like red, white, and Rosé, and 1-3 days for Champagne. Proper storage conditions, such as recorking tightly and refrigeration, can help extend its drinkability. However, it's important to note that the longer a bottle of wine is open, the more it will likely lose its freshness and vibrant flavors.