How long does a opened(corked) bottle of red wine keep?

Avid collectors and drinkers purchase small fridges to store wine fixed at an optimal temperature, rather than a refrigerator which is usually too cold. This should never be an expensive undertaking for home purposes. (Wine refrigerators) A temporary purchase should include a vacuum bottle stopper to keep opened wine bottles. Good ones effectively remove air from the bottle to slow the oxidation process. Spare no expense and research here; there are many claims which do not work. (Wine stoppers, How to use) Opened bottles are similarly kept in the wine refrigerators. (Optimal temperatures to store wine) Premium wines like Chateau Margeaux should be consumed on the same day. Whereas not so good wines may keep up to 2 weeks (10 to 14 days) without going sour (undrinkable). Wine aficionados and top restaurants though, would loathe to have wine sitting for more than a few hours.

Depends on the wine...many reds will be fine for a few days (but I wouldn't serve it to others), the flavor basically starts to change as soon as it's uncorked, for the majority of wines that you buy I would suggest trying to finish the the first day. A low quality wine will actually hold the taste longer due to a wealth of chemical enhancements and a good quality wine will start to taste a bit off pretty quick. As a rule I try to not keep an open bottle of red more than three days (unless it's for cooking), by then there is usually a marked difference in taste, again a lower quality wine holds the same taste longer. The best way to keep a red would be a vacuum sealer if you have one, or if not, simply cork it and store in the the refridegerator and hope for the best...your best bet is to always finish every bottle you open though :)

red wine at room temperature is ok until the next day. If refrigerated maybe it can be still ok until 2-3 days. I would avoid using it beyond that even for cooking.

well i find that i don't keep my red wine that long. i usually find within one to two weeks - if it lasts that long. good luck with finding the answer.

My suggestion...if it's a bottle of Chateau Margaux...drink it. If it's not...have a Belvedere on the rocks with two limes!

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I think if you don't drink it up by the next day the flavor starts to noticeably change. How noticeably depends on your taste buds. I can't typically drink it after a day of being opened. White wine lasts me about two days before I feel the flavor is gone. But it's really up to you and your taste buds.

Better to invite over a friend and polish it off then keep a bottle of wine more than a few days. I keep unfinished bottles in the fridge, never at room temperature. You should let red wine "warm up" to the room after you bring it out of the fridge. Also, wine that has been left out for a while shouldn't be used for cooking. If it's not good to drink, why would you want to cook with it? Open a fresh bottle, pour a little in the pot, then a little into you glass. And "corked," as a previous answerer commented, indeed means "gone bad."

any wine is a cooking wine. its a personal taste. me i only keep reds(unless a boujoelaise spelled wreong)2 days. unless a reisling, i could keep a chard, or a grigio, opened as long as its corked weeks my fav. wine is caymus, conundrum, or cab if u can get a opus i can talk about reds all day and whites another