Answers.Body: <p>Yes.</p>
  <p>As a food engineer I can confirm you that the taste of the food (here beer) also changes in a bottle vs. can as the light (UV mainly) interacts differently than in a can where the light does not penetrate.</p>
  <p>And as mentioned before in the case of beer, the quality of the water is very important and factories located in different locations use different waters, hence a different taste also.</p>
  
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Answers.UserDisplayName: Tony
Answers.Body: <p>In addition to the different rates at which the container warms up in the hand, there could also be the effect of the weight of the container itself.</p>
  <p>I've long heard that gin tastes far better when served in a heavy glass.</p>
  <p>A quick google shows that the effect can apply to other drinks too:</p>
  <p><a href="https://www.telegraph.co.uk/news/science/science-news/10882498/Secret-to-the-perfect-drink-serve-it-in-a-heavy-glass-say-experts.html#:%7E:text=%E2%80%9CIf%20you%20want%20your%20guests,means%20it%20tastes%20significantly%20better." rel="nofollow noreferrer">Secret to the perfect drink: serve it in a heavy glass, say experts</a></p>
  
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Answers.UserDisplayName: Ray Butterworth
Answers.Body: <p>So, besides the light changing the chemical makeup of the beer in bottles thing, drinking <em>from</em> a can absolutely modifies the flavor for me - because of the smell of the aluminum.  But, pour it in a glass and I bet I wouldn't be able to tell the difference between any fresh container of the same beer.</p>
  
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Answers.UserDisplayName: Chris Steele
Answers.Body: <p>If you are drinking beer directly from the can or bottle, then one measurable difference is the speed at which it warms up while you are drinking it.  As glass is an insulator and aluminium is a conductor, you'd expect the can to be more efficient at transferring heat from your hand and the environment into the beer.  So a glass bottle should keep the within the optimum temperature range for longer than the can.</p>
  
  <p>This result is backed up by some <a href="http://www.wpi.edu/Pubs/E-project/Available/E-project-031609-100626/unrestricted/MQPFinal.pdf" rel="noreferrer">research done by students at Worcester Polytechnic Institute</a>, which compared the rate at which refrigerated liquid warms up to room temperature in glass and aluminium bottles.  The heating rate differences should be even more noticeable if the bottles were in contact with a body temperature heat source.</p>
  
  <p>This effect can be minimised by insulating the can using a stubby holder/beer cozy.  In another experiment <a href="http://www.cockeyed.com/science/beer_cozy/beer_cozy.html" rel="noreferrer">comparing cans held in a person's hand</a>, over a 30 minute period an uninsulated can rose in temperature by about 14°C while the insulated can rose only 3°C.</p>
  
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Answers.UserDisplayName: James Henstridge
Answers.Body: <p>As a member of a Studentenverbindung, having one principle of scientia, we of course tested this a long time ago with around a dozen or maybe a bit more testers. </p>
  
  <p>We poured beer from the same manufacturer (fresh batch) into glasses and had people taste them, and for every glass (everyone had multiple ones) they had to say if they think it was from a bottle, a can, or a keg, and which tasted better.</p>
  
  <p>After around 50 or 60 glasses, there was no statistical evidence whatsoever that any of the three could be identified, or tasted better.</p>
  
  <p>From my personal experience though, I always think that a keg  is better than a bottle is better than a can. But why is that so? I only have the theory that due to the feeling of the container you drink from, your taste is altered (just like food with the same flavour/taste somehow tastes different, with a different texture). Additionally I think the amount of beer that flows into your mouth is different, as well as maybe the turbulence, causing a different amount of carbon dioxide (or nitrogen, depending on your beer culture) to leave the beer before you can actually taste and swallow (which again changes the texture).</p>
  
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Answers.Text: After 50 or 60 glasses, I also can't tell the difference between bottled, canned and cask beer. ;-)
Answers.UserDisplayName: David Richerby
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Answers.Text: @DavidRicherby: Among all, not per person ;) That would have been a fairly different scientific experiment then...
Answers.UserDisplayName: PlasmaHH
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Answers.Text: this. "the feeling of the container you drink from, your taste is altered" - pour it into a glass, and it all makes no difference any more.
Answers.UserDisplayName: Martin Ba
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Answers.CreationDate: 2021-01-15T18:14:40.627Z
Answers.Text: Science is good. I wish there were a link to a paper on this.
Answers.UserDisplayName: Eric S
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Answers.CreationDate: 2014-02-04T22:34:57.963Z
Answers.LastActivityDate: 2014-02-05T12:00:12.780Z
Answers.LastEditDate: 2014-02-05T12:00:12.780Z
Answers.UserDisplayName: PlasmaHH
Answers.Body: <p>I heard a quote from the revered <a href="http://foodscience.ucdavis.edu/people/faculty/cbamforth">Charlie Bamforth</a>, who basically said that packaging beers in cans was a far better way to preserve the beer from brewery to customer than packaging in bottles, but bottles are still more aesthetically pleasing to the customer, so they are usually preferred. And that's from a man that has been head of Quality Assurance for a number of years. </p>
  
  <p>It's purely in the mind - there isn't any real change to the beer. If anything, the difference with bottled beer is that the canned version is better preserved.</p>
  
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Answers.UserDisplayName: mdma
Answers.Body: <p>I actually do not think that the can itself changes the taste of the beer as much as the beer placed in the can may be a little different. I think that the real difference is going to be between keg beer and can/bottle beer.</p>
  
  <p>Canned/bottled beer has a longer shelf life than keg beer. Canned/bottled beer has a shelf life of roughly 45-60 days, whereas a keg is only 25-40 days <strong><sup><a href="http://www.micromatic.com/beer-questions/how-long-keg-beer-remain-fresh-aid-44.html" rel="nofollow noreferrer">1</a></sup></strong>.</p>
  
  <p>This means that worst case scenario for comparison you could be tasting a 2 month old canned beer versus a 3 week old draft. It can cause a difference in taste, there is a "freshness date" after all. (See this <em><a href="https://alcohol.stackexchange.com/a/502/303">excellent answer from @mdma for more information on what happens as beer ages</a></em>)</p>
  
  <p>But where does this date come from? Almost all imported retail beer is pasteurized. The reason for pasteurizing the beer is from a business standpoint. It basically allows the beer to last longer and be shipped at room temperature (this applies to kegs, cans, and bottles). </p>
  
  <p>An alternative to the pasteurization process is bottle conditioning. Most domestic beers follow this path. Essentially this process involves beers being sterile filtered and chilled to the point that any surviving bacteria, which could ferment the beer, become dormant <strong><sup><a href="http://www.micromatic.com/beer-questions/pasteurized-and-non-pasteurized-keg-beer-aid-45.html" rel="nofollow noreferrer">2</a></sup></strong>.</p>
  
  <p>So basically the probability that the beer begins to ferment is higher over time. A canned beer and a keg beer can taste the same if they both left the brewery at the same time, and both experienced the same conditions during the time it took them to reach you. It is just that kegs have a better chance of taking less time and of being better preserved.</p>
  
  <p>From a practical standpoint though, bottles can cause broken glass, kegs weigh close to 50 lbs. full, and cans allow for shotgunning. Make sure your container of choice fits your environment :)</p>
  
  <p><sub>1. <a href="http://www.micromatic.com/beer-questions/how-long-keg-beer-remain-fresh-aid-44.html" rel="nofollow noreferrer">How long will a keg of draft beer remain fresh?</a></sub><br>
  <sub>2. <a href="http://www.micromatic.com/beer-questions/pasteurized-and-non-pasteurized-keg-beer-aid-45.html" rel="nofollow noreferrer">What is pasteurized and non-pasteurized keg beer?</a></sub></p>
  
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Answers.UserDisplayName: Travis J
Answers.Body: <p>I don't know how/if the actual storage in cans vs bottles affects the taste, however you should expect that they are not filled with the same beer.</p>
  
  <p>Many companies will have different production logistics, and the can will often come from a different site than a bottle of the same brand, and will have slightly different water and production process, so the beers will taste slightly different before they even touch the can; and they may even have intentionally different production and additives.</p>
  
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Answers.UserDisplayName: Peteris
Answers.Body: <p>First, I love this question because it is actually interesting.</p>
  
  <p>I researched this when I noticed that bottled coke tasted so much better than canned coke. Cans keep out all light so the contents actually never become tainted. The reason that most like bottled over canned is because they like the taste with those impurities. 
  Some complain that they can taste aluminum with cans, but this is more than likely in their head since cans are lined with a thin layer of plastic. </p>
  
  <p>I like certain beers better in cans and certain ones better in bottles. I would try both :)</p>
  
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Answers.Text: One thing I never found out about cans is... is the outside lip also lined in plastic, or just the inside?  I rarely drink beer straight from a bottle or can, but I almost always drink coke from the can.
Answers.UserDisplayName: object88
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Answers.Text: Not sure... but I actually doubt it. I suppose the smell of the can could effect the taste of the beer.
Answers.UserDisplayName: JLott
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Answers.CreationDate: 2014-02-04T19:07:36.603Z
Answers.Text: Nearly all [glass bottled beverages are protected from UV rays](http://www.berghoffbeer.com/blog/what-does-the-color-of-your-beer-bottle-mean/) by additives in the glass itself, or by a coating on the bottle if the glass can't provide the needed protection.
Answers.UserDisplayName: Adam Davis
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2014-02-04T21:10:32.210Z
Answers.Text: Cans are covered in a transparent lacquer to protect the print and keep it away from the consumer while drinking from the can.
Answers.UserDisplayName: mdma
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Answers.CreationDate: 2014-02-05T02:45:12.693Z
Answers.Text: It's possible that your bottled Coke tastes better than canned because it was [bottled in Mexico](http://en.wikipedia.org/wiki/Mexican_Coke) and sweetened with cane sugar instead of corn syrup.
Answers.UserDisplayName: Robert
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Answers.CreationDate: 2014-02-05T20:55:03.943Z
Answers.Text: What about Guinness? Their bottle is cover with a plastic wrapping which would not let light in, however when I drink Guinness out of a can it is no where near as satisfying as the bottle.
Answers.UserDisplayName: Danny
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Answers.CreationDate: 2014-02-05T22:15:45.980Z
Answers.Text: I would say that goes with the fact that the comfort from drinking from the bottle is better in my opinion. It would be interesting to pour both into a glass and see if you could actually tell the difference then.
Answers.UserDisplayName: JLott
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2014-02-06T00:05:57.597Z
Answers.Text: @Danny - Guinness uses a [beer widget](http://en.wikipedia.org/wiki/Widget_(beer)) to manage head characteristics. Cans use a spherical "floating widget", while bottles use a "rocket widget". Maybe one style works better than the other?
Answers.UserDisplayName: Robert
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2014-08-13T15:59:15.660Z
Answers.Text: Love, love, love the term beer widget. Thanks for that link @Robert. "Smoothifier" is a good one, too!
Answers.UserDisplayName: webXL
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Answers.Text: Actually I'm pretty sure that the Coke in bottles actually has a slightly different composition that's not possible in cans (probably due to the acidity?).
Answers.UserDisplayName: Hugo
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Answers.UserDisplayName: JLott
Body: <p>My favorite beers come in bottles and in cans. I always buy it in bottles because I've heard that cans negatively impact the flavor of the beer.</p>
  
  <p>Is this true?</p>
  
  <p>If so, how does it work?</p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-02-04T18:41:51.863Z
Comments.Text: I met someone working for a large brewery company once who told me that the canned and the bottled version of their most popular brand indeed taste different, because for logistical reasons they are brewed in different cities and thus use water comming from different wells.
Comments.UserDisplayName: Philipp
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-02-05T19:30:17.607Z
Comments.Text: I heard a good quote once about cans.. They are essentially small kegs and our general pre-disposition against cans is just a cultural one and not one based on any intrinsic quality of the beer.
  
  That being said our expectations alter our perceptions (the brain is a crazy thing) so if you think something tastes better in a can and you know your drinking from a can you'll enjoy the canned beer more than a person who expects the canned beer to taste worse.
Comments.UserDisplayName: Bill Rawlinson
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-05-08T08:50:32.233Z
Comments.Text: Definately taste different cans of Carlton dry taste like aluminium even wen poured into a glass
Comments.UserDisplayName: Iszac
Tags: <storage><cans>
Title: Do cans change the taste of beer?
UserDisplayName: crownjewel82
ThreadText: # Do cans change the taste of beer?
  
  (Asked by: username_0 on 2014-02-04)
  
  My favorite beers come in bottles and in cans. I always buy it in bottles because I've heard that cans negatively impact the flavor of the beer.
  
  Is this true?
  
  If so, how does it work?
  
  **Tags:** storage, cans
  
  > **Comments:**
  > **username_1**: I met someone working for a large brewery company once who told me that the canned and the bottled version of their most popular brand indeed taste different, because for logistical reasons they are brewed in different cities and thus use water comming from different wells.  
  > **username_2**: I heard a good quote once about cans.. They are essentially small kegs and our general pre-disposition against cans is just a cultural one and not one based on any intrinsic quality of the beer.  That being said our expectations alter our perceptions (the brain is a crazy thing) so if you think something tastes better in a can and you know your drinking from a can you'll enjoy the canned beer more than a person who expects the canned beer to taste worse.  
  > **username_3**: Definately taste different cans of Carlton dry taste like aluminium even wen poured into a glass  
  
  ---
  
  ## 9 answers
  
  ### Answer by username_15 on 2014-02-04. Score: 26 | Accepted answer
  
  First, I love this question because it is actually interesting.
  
  I researched this when I noticed that bottled coke tasted so much better than canned coke. Cans keep out all light so the contents actually never become tainted. The reason that most like bottled over canned is because they like the taste with those impurities.
  Some complain that they can taste aluminum with cans, but this is more than likely in their head since cans are lined with a thin layer of plastic.
  
  I like certain beers better in cans and certain ones better in bottles. I would try both :)
  
  > **Comments:**
  > **username_16**: One thing I never found out about cans is... is the outside lip also lined in plastic, or just the inside?  I rarely drink beer straight from a bottle or can, but I almost always drink coke from the can.  
  > **username_15**: Not sure... but I actually doubt it. I suppose the smell of the can could effect the taste of the beer.  
  > **username_17**: Nearly all [glass bottled beverages are protected from UV rays](http://www.berghoffbeer.com/blog/what-does-the-color-of-your-beer-bottle-mean/) by additives in the glass itself, or by a coating on the bottle if the glass can't provide the needed protection.  
  > **username_12**: Cans are covered in a transparent lacquer to protect the print and keep it away from the consumer while drinking from the can.  
  > **username_18**: It's possible that your bottled Coke tastes better than canned because it was [bottled in Mexico](http://en.wikipedia.org/wiki/Mexican_Coke) and sweetened with cane sugar instead of corn syrup.  
  > **username_19**: What about Guinness? Their bottle is cover with a plastic wrapping which would not let light in, however when I drink Guinness out of a can it is no where near as satisfying as the bottle.  
  > **username_15**: I would say that goes with the fact that the comfort from drinking from the bottle is better in my opinion. It would be interesting to pour both into a glass and see if you could actually tell the difference then.  
  > **username_18**: @username_19 - Guinness uses a [beer widget](http://en.wikipedia.org/wiki/Widget_(beer)) to manage head characteristics. Cans use a spherical "floating widget", while bottles use a "rocket widget". Maybe one style works better than the other?  
  > **username_20**: Love, love, love the term beer widget. Thanks for that link @username_18. "Smoothifier" is a good one, too!  
  > **username_21**: Actually I'm pretty sure that the Coke in bottles actually has a slightly different composition that's not possible in cans (probably due to the acidity?).  
  
  ---
  
  ### Answer by username_8 on 2014-02-04. Score: 26
  
  As a member of a Studentenverbindung, having one principle of scientia, we of course tested this a long time ago with around a dozen or maybe a bit more testers.
  
  We poured beer from the same manufacturer (fresh batch) into glasses and had people taste them, and for every glass (everyone had multiple ones) they had to say if they think it was from a bottle, a can, or a keg, and which tasted better.
  
  After around 50 or 60 glasses, there was no statistical evidence whatsoever that any of the three could be identified, or tasted better.
  
  From my personal experience though, I always think that a keg is better than a bottle is better than a can. But why is that so? I only have the theory that due to the feeling of the container you drink from, your taste is altered (just like food with the same flavour/taste somehow tastes different, with a different texture). Additionally I think the amount of beer that flows into your mouth is different, as well as maybe the turbulence, causing a different amount of carbon dioxide (or nitrogen, depending on your beer culture) to leave the beer before you can actually taste and swallow (which again changes the texture).
  
  > **Comments:**
  > **username_9**: After 50 or 60 glasses, I also can't tell the difference between bottled, canned and cask beer. ;-)  
  > **username_8**: @DavidRicherby: Among all, not per person ;) That would have been a fairly different scientific experiment then...  
  > **username_10**: this. "the feeling of the container you drink from, your taste is altered" - pour it into a glass, and it all makes no difference any more.  
  > **username_11**: Science is good. I wish there were a link to a paper on this.  
  
  ---
  
  ### Answer by username_12 on 2014-02-04. Score: 16
  
  I heard a quote from the revered [Charlie Bamforth](http://foodscience.ucdavis.edu/people/faculty/cbamforth), who basically said that packaging beers in cans was a far better way to preserve the beer from brewery to customer than packaging in bottles, but bottles are still more aesthetically pleasing to the customer, so they are usually preferred. And that's from a man that has been head of Quality Assurance for a number of years.
  
  It's purely in the mind - there isn't any real change to the beer. If anything, the difference with bottled beer is that the canned version is better preserved.
  
  
  ---
  
  ### Answer by username_13 on 2014-02-05. Score: 8
  
  I actually do not think that the can itself changes the taste of the beer as much as the beer placed in the can may be a little different. I think that the real difference is going to be between keg beer and can/bottle beer.
  
  Canned/bottled beer has a longer shelf life than keg beer. Canned/bottled beer has a shelf life of roughly 45-60 days, whereas a keg is only 25-40 days **[1](http://www.micromatic.com/beer-questions/how-long-keg-beer-remain-fresh-aid-44.html)**.
  
  This means that worst case scenario for comparison you could be tasting a 2 month old canned beer versus a 3 week old draft. It can cause a difference in taste, there is a "freshness date" after all. (See this *[excellent answer from @username_12 for more information on what happens as beer ages](https://alcohol.stackexchange.com/a/502/303)*)
  
  But where does this date come from? Almost all imported retail beer is pasteurized. The reason for pasteurizing the beer is from a business standpoint. It basically allows the beer to last longer and be shipped at room temperature (this applies to kegs, cans, and bottles).
  
  An alternative to the pasteurization process is bottle conditioning. Most domestic beers follow this path. Essentially this process involves beers being sterile filtered and chilled to the point that any surviving bacteria, which could ferment the beer, become dormant **[2](http://www.micromatic.com/beer-questions/pasteurized-and-non-pasteurized-keg-beer-aid-45.html)**.
  
  So basically the probability that the beer begins to ferment is higher over time. A canned beer and a keg beer can taste the same if they both left the brewery at the same time, and both experienced the same conditions during the time it took them to reach you. It is just that kegs have a better chance of taking less time and of being better preserved.
  
  From a practical standpoint though, bottles can cause broken glass, kegs weigh close to 50 lbs. full, and cans allow for shotgunning. Make sure your container of choice fits your environment :)
  
  1. [How long will a keg of draft beer remain fresh?](http://www.micromatic.com/beer-questions/how-long-keg-beer-remain-fresh-aid-44.html)  
  2. [What is pasteurized and non-pasteurized keg beer?](http://www.micromatic.com/beer-questions/pasteurized-and-non-pasteurized-keg-beer-aid-45.html)
  
  
  ---
  
  ### Answer by username_14 on 2014-02-06. Score: 7
  
  I don't know how/if the actual storage in cans vs bottles affects the taste, however you should expect that they are not filled with the same beer.
  
  Many companies will have different production logistics, and the can will often come from a different site than a bottle of the same brand, and will have slightly different water and production process, so the beers will taste slightly different before they even touch the can; and they may even have intentionally different production and additives.
  
  
  ---
  
  ### Answer by username_7 on 2014-02-07. Score: 6
  
  If you are drinking beer directly from the can or bottle, then one measurable difference is the speed at which it warms up while you are drinking it. As glass is an insulator and aluminium is a conductor, you'd expect the can to be more efficient at transferring heat from your hand and the environment into the beer. So a glass bottle should keep the within the optimum temperature range for longer than the can.
  
  This result is backed up by some [research done by students at Worcester Polytechnic Institute](http://www.wpi.edu/Pubs/E-project/Available/E-project-031609-100626/unrestricted/MQPFinal.pdf), which compared the rate at which refrigerated liquid warms up to room temperature in glass and aluminium bottles. The heating rate differences should be even more noticeable if the bottles were in contact with a body temperature heat source.
  
  This effect can be minimised by insulating the can using a stubby holder/beer cozy. In another experiment [comparing cans held in a person's hand](http://www.cockeyed.com/science/beer_cozy/beer_cozy.html), over a 30 minute period an uninsulated can rose in temperature by about 14°C while the insulated can rose only 3°C.
  
  
  ---
  
  ### Answer by username_4 on 2021-01-14. Score: 2
  
  Yes.
  
  As a food engineer I can confirm you that the taste of the food (here beer) also changes in a bottle vs. can as the light (UV mainly) interacts differently than in a can where the light does not penetrate.
  
  And as mentioned before in the case of beer, the quality of the water is very important and factories located in different locations use different waters, hence a different taste also.
  
  
  ---
  
  ### Answer by username_5 on 2021-01-15. Score: 1
  
  In addition to the different rates at which the container warms up in the hand, there could also be the effect of the weight of the container itself.
  
  I've long heard that gin tastes far better when served in a heavy glass.
  
  A quick google shows that the effect can apply to other drinks too:
  
  [Secret to the perfect drink: serve it in a heavy glass, say experts](https://www.telegraph.co.uk/news/science/science-news/10882498/Secret-to-the-perfect-drink-serve-it-in-a-heavy-glass-say-experts.html#:%7E:text=%E2%80%9CIf%20you%20want%20your%20guests,means%20it%20tastes%20significantly%20better.)
  
  
  ---
  
  ### Answer by username_6 on 2021-01-14. Score: 1
  
  So, besides the light changing the chemical makeup of the beer in bottles thing, drinking *from* a can absolutely modifies the flavor for me - because of the smell of the aluminum. But, pour it in a glass and I bet I wouldn't be able to tell the difference between any fresh container of the same beer.
  
  
  ---
  
  