Beer typically has a shelf life of 5 to 9 months beyond the expiration date listed on the label. However, this doesn't mean it becomes unsafe to drink. The worst that can happen is that the beer's flavour and quality will deteriorate, resulting in an unpleasant taste and aroma. Beer is similar to wine and whiskey in that certain varieties, such as porters and stouts, can improve with age if stored correctly. On the other hand, IPAs are best consumed fresh as they gradually lose their flavour and aroma over time.
Characteristics | Values |
---|---|
Does beer expire? | Yes, but it won't necessarily make you sick. |
How long does beer last beyond the expiration date? | 5-9 months at room temperature, 2-3 years in a refrigerator. |
What is the difference between a 'use by' and a 'best before' date? | 'Use by' is a rule, and after the stated date, the product will quickly degrade and may cause illness. 'Best before' is a guideline on quality, not safety. |
Does beer need to be refrigerated? | Refrigeration is not required but will extend the shelf life of the product. |
Does beer need to be stored upright? | Yes, if it is in a bottle. |
Does beer continue to age in the bottle? | Yes, and some beers improve with age. |
How can you tell if a beer has gone bad? | Bad aroma, lack of fizz, excessive sediment, unpleasant taste. |
Does beer type affect shelf life? | Yes, stronger beers such as stouts and porters tend to last longer than lighter beers. |
Does light exposure affect shelf life? | Yes, light exposure can cause beer to develop a foul taste and smell like a skunk. |
Does unopened beer go bad? | Yes, unopened beer will eventually go bad but it won't be unsafe to drink, just less tasty. |
What You'll Learn
- Beer's ''best before' date is a guideline on quality, not safety
- Beer can be safely consumed past its 'best before' date, but the flavour and quality will degrade over time
- The type of beer affects its shelf life
- Beer should be stored in a cool, dark place to maximise its lifespan
- Opened beer has a shelf life of about a day
Beer's ''best before' date is a guideline on quality, not safety
Beer is perishable and will eventually go bad, but its "best before" date is not a hard-and-fast expiration date. This date is more of a guideline on quality rather than safety, indicating when the beer will start to lose its quality. While the beer will still be safe to drink, its taste and quality will begin to deteriorate.
Beer is produced with expiry dates, but these are not strict deadlines that must be adhered to. Beer typically lasts about 5 to 9 months beyond the expiration date listed on the label if stored at room temperature. Refrigeration can further extend its lifespan, with unopened beer lasting up to 2 to 3 additional years when kept cold. However, the flavour and quality of the beer will gradually decline over time.
The "best before" date is primarily intended to ensure the responsible selling and consumption of beer. Brewers want to maintain their reputation by providing customers with great-tasting, high-quality beer. Therefore, they add an expiry date to their products to inform liquor stores when to stop selling beer that may no longer be at its peak quality.
It's worth noting that different types of beer have varying shelf lives. Beers with higher alcohol content, such as stouts and barley wines, can actually improve with age. On the other hand, hop-heavy styles like IPAs are best consumed fresh, as the volatile aromas from hops tend to dissipate over time.
While expired beer may not taste as pleasant, it is unlikely to make you sick. The alcohol content and the presence of hops, which have antimicrobial characteristics, prevent pathogenic bacterial growth. So, while expired beer may not be enjoyable, it is generally safe to consume unless there are obvious signs of spoilage, such as an unpleasant odour or taste.
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Beer can be safely consumed past its 'best before' date, but the flavour and quality will degrade over time
Beer typically has a "best before" date rather than a ""use by" date. This means that it is safe to drink beer after its "best before" date, but its flavour and quality may have degraded.
Beer is similar to wine and whiskey in that some varieties can improve with age if stored correctly. Richer and higher ABV beers, such as porters and stouts, can get better with age if kept in cool, dark storage conditions like a basement or cellar. However, IPAs are best consumed sooner rather than later as they gradually lose their flavour and aroma over time.
The "best before" date on beer is more of a guideline on quality rather than safety. Beer can be safely consumed past its "best before" date, but its flavour and quality will degrade over time. The beer will not taste as good as when it is within its peak drinking time.
The shelf life of beer varies depending on the type of beer and how it is stored. Most beers are best consumed within 6 to 9 months if stored at room temperature. Refrigeration can extend this period to up to 2 years. Unpasteurised or craft beers may have a shorter shelf life.
It is important to note that beer can go bad and develop unpleasant tastes and aromas if consumed past its "best before" date. Additionally, exposure to light, oxygen, and bacteria can cause the beer to spoil and develop off flavours. Therefore, it is recommended to store beer in a cool, dark place, away from temperature fluctuations, and to consume it as fresh as possible.
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The type of beer affects its shelf life
The type of beer does affect its shelf life. Stronger beers with higher alcohol content, such as stouts and porters, and high-ABV beers, tend to last longer than lighter beers like lagers and pilsners. These richer, higher-ABV beers can improve with age if stored in cool, dark conditions.
On the other hand, hoppy beers like IPAs are best consumed fresh, as they gradually lose their flavour and aroma over time. Wheat beers and brown ales are similar and are best enjoyed within three to four months.
The difference in shelf life between these beer types is caused by the organisms used in the brewing process. When yeasts are used to produce flavours in speciality beers, they continue to change the flavour over time, consuming sugar and oxygen to ferment the beer's ingredients.
Additionally, the packaging and storage conditions also impact a beer's shelf life. Canned beer typically lasts longer than bottled beer because cans don't let any light in, slowing the oxidation process. Beer stored in transparent or green bottles has a shorter shelf life due to increased light exposure, which accelerates the breakdown of flavour compounds.
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Beer should be stored in a cool, dark place to maximise its lifespan
Beer is best stored in a cool, dark place to maximise its lifespan. This is because exposure to sunlight and heat can cause the beer to spoil. The sun's UV rays can create a chemical reaction in the beer, breaking down its flavour components until it smells and tastes like skunk spray. This is why beer exposed to sunlight for too long is said to have been "skunked" or "lightstruck".
Beer should be stored between 45 and 55 degrees Fahrenheit (approximately 7 to 13 degrees Celsius). This is colder than room temperature but warmer than a refrigerator. If you don't have a way of measuring the temperature, it's better to store your beer in the fridge, where it will remain at its best quality for up to eight months. Beer can also be kept at room temperature, where it will stay at its best quality for up to six months.
It's also important to keep beer away from other foodstuffs, especially in the case of larger containers like kegs, to reduce any risk of contamination. Beer should always be stored in an upright position, rather than on its side, to minimise oxidation and prevent air leaks.
If you're storing beer in a cellar, it's best to keep the temperature around 10 degrees below the beer's fermentation temperature. The cellar should also be dark, to prevent skunking, and the beer should be stored somewhere it won't be disturbed, as too much movement can cause chemical changes that will affect its flavour.
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Opened beer has a shelf life of about a day
To slow the degradation of flavour, you should reseal the bottle as tightly as possible and keep it refrigerated. Storing the beer upright will also help to minimise oxidation. If you have access to one, you can also use a vacuum pump to remove the air from the bottle. However, it is important to note that this method will cause the beer to go flat as it forces carbon dioxide out of solution. An alternative method is to replace the air in the bottle with an inert gas.
If you are unable to reseal the bottle, you can transfer the beer to a smaller container to reduce the air gap. The smaller the air gap, the faster the pressure will build, and the slower the beer will go flat.
It is worth noting that the degradation of beer can be difficult to detect, especially if the beer is only slightly past its peak. However, if the beer has been open for longer than a day, it is likely that the flavour and quality will be noticeably degraded.
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Frequently asked questions
No, drinking beer after the date on the bottle will not make you sick. Beer has a "best before" date, which is a guideline on quality rather than safety. You can still drink it after this date, but it may not taste as good.
Beer can last 6-24 months after its best before date if it's been kept in the fridge. If it hasn't been refrigerated, this timeframe tops out at 9 months.
You can tell by the bad aroma, lack of the usual 'pssst' sound when you open it, and excessive sediment at the bottom of the bottle.