The precise answer to the question “How long does white wine last once opened?” depends to a large extent on storage conditions — re-cork the wine as soon as finished drinking.
Keep an opened bottle of white wine refrigerated until ready to drink.
If a cork or stopper is not available for the opened bottle of white wine, cover the opening with plastic wrap and place a rubber band around the bottle neck to seal plastic tightly.
Leftover white wine may be frozen and used later for cooking — freeze the white wine in airtight containers or pour wine into ice cube trays; once the white wine is frozen, transfer cubes to a heavy-duty freezer bag.
How long does white wine last in the freezer for safety purposes? The freezer time shown is for best quality only —foods kept constantly frozen at 0° F will keep safe indefinitely.
How to tell if an opened bottle of white wine is bad? The best way is to smell and look at the white wine: white wine that has gone bad often develops an off smell and a yellowish-brown appearance.
Sources: For details about data sources used for food storage information, please