Kegged beer should always be stored cold. Generally speaking, non-pasteurized kegs will start tasting bad after 45 to 60 days. For pasteurized kegs, the shelf-life is a bit longer at 3 to 4 months. If you purchase a commercial keg and use a party pump to serve, the beer will only last about 12 to 24 hours once tapped.
This is because air is pumped in to push out the beer, causing rapid staling and flat beer. Many bars, brewpubs, and breweries fill growlers and crowlers directly from their taps so you can enjoy fresh beer from the comfort of your home. This beer is meant to be drunk fresh. Most beers have the best before date listed on the can, bottle, or case. Certain regions require breweries to list an expiration by law. This is a date that the brewers recommend their product be consumed by.
For pale beer styles, an expired beer will appear darker. Oxidative effects on malt and hops will give a stale, cardboard-like flavor. For very hoppy beers, like IPA and American pale ale, oxidation can have a quick and obvious effect on the beer. Old hoppy beer will have lost almost all hop flavor and turn a brownish, even purple, color.
Unless a beer is deliberately acidic, like sour beer, it should not taste sour or vinegar-like. This is not a typical characteristic of aged beer. The beer has been contaminated with a wild bacteria and should not be consumed. If the beer has lost all carbonation, this is a sign of a bad seal on the can or bottle. In this case, dispose of the beer as the airtight seal has been broken.
At this temperature, the aging process will be slowed, but not completely stopped. Stored correctly, beer lasts a long time. Beer is a fermented beverage which has a great protection against harmful pathogens due to the low pH and alcohol. Barrel-aged beers are pulled from the barrels ready to drink, but one may age them for considerable periods of time for additional complexity.
Still, these statements vary in size and placement on the bottle, and they aren't overly apparent to everyday drinkers. For sour and multiple French- and Belgian-style beers, a brewery is likely to put a statement of how long a beer might continue to evolve.
Goose Island Beer Co. One way around this clustered world of various "best by" and "packaged on" dates in beer is to create a standardized method of beer dating. Perhaps craft beer's governing body, the Brewers Association, could take on this important task, as making a consistent process for breweries to label their beer would benefit the breweries themselves, as well as consumers at large.
Beers also need to have a uniform place where "best by" dates can be found, so that befuddled consumers don't have to inspect every inch of a can's surface or squint at the fine print on a bottle's label. Until some sort of reform takes place on how to easily tell when a beer is best consumed, follow this simple rule of thumb: After you purchase a beer, drink it relatively quickly in order to get the most enjoyment out of its freshness.
Jump to navigation. Sign-In Create Account. My Cart Account Support. Search form Search. Podcast Livestream Buying Events. How Long Does Beer Last? Not a Prime Member? Try a day free trial today! Although all food and drink lasts for a shorter period of time if they are not stored properly, proper storage extends the shelf life of beer beyond its best by date.
Cans and bottles are usually stamped with a best before date and not an expiration date, which means it can be consumed after the printed date for the time periods stated above. You can usually tell when you open the bottle if your beer has gone bad. When you open the bottle you should hear the normal "psssst" sound indicating that your beer is fresh and ready to drink.
You should also see some white foam rising from the liquid after opening, lack of foam is another indication that most likely your beer has gone bad. If you have bottles, even before opening you can check the bottle for clues like a dusty bottle, a discolored label and especially any seepage around the cap which indicates prior heat abuse. Some other possible traits of expired beer product are a change in the color of the beer or a "dusty" settlement visible in the bottom of the bottle.
If these things are going on in the bottle, the beer has most likely gone bad and the taste will be "flat" and possibly spoiled tasting. If your beer has gone bad and you need to find a substitute when your recipe needs it, check our page on alcohol substitutes.
There are, of course, certain health risks associated with spoiled drinks so always remember to practice food safety and enjoy your drinks before their shelf life has expired! Beer is best kept in the refrigerator, especially important if it was purchased refrigerated. A change in temperatures hot to cold or cold to hot is not good for this product. Constant temperature is essential to the shelf life of beers like Coors that are meant to be constantly chilled.
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