Buzz
Wine often comes with a set of rigid guidelines, from the vessel it should be served in to its perceived value. A widespread misconception is that an opened bottle of wine must be finished the day it's uncorked. Although wine does begin to oxidize immediately after opening, this doesn't mean you need to consume the entire bottle in one sitting or dispose of the remaining wine. As Bon Appétit explains, an opened bottle can stay enjoyable for several days—provided it's stored correctly.
When you uncork a fresh bottle of cabernet and only pour a glass or two, keep the cork handy. For centuries, corks have played a vital role in winemaking. Their density ensures liquids stay fresh without completely blocking airflow. A small amount of oxygen enhances the wine's flavor profile, while excessive exposure leads to a bitter, unappealing taste.
After pouring your wine, reinsert the cork to limit further oxygen exposure. If the cork is damaged or misplaced, alternatives like plastic wrap secured with a rubber band, aluminum foil, or a reusable wine stopper can serve the same purpose.
Keeping your opened wine in the refrigerator reduces its exposure to harmful factors such as heat and light. Once chilled, most red and white wines remain enjoyable for two to five days before their flavors deteriorate. Sparkling wines, on the other hand, typically last one to three days, while some natural wines may spoil within a day. Supermarket red wines with high tannin content tend to have the longest shelf life after opening, staying fresh for up to seven days.
Given the wide variation in expiration times across different wine types, the most reliable way to assess freshness is by tasting it. Overly oxidized wine may not taste pleasant, but a small sip won't harm you. If you prefer not to taste potentially spoiled wine, you can also evaluate its quality by appearance and aroma. A brownish hue or a vinegar-like smell indicates oxidation, signaling it's time to discard the bottle and open a new one.
