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Old 07-05-2013, 04:43 AM   #1
seasnan
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Jul 2013
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Does a beer made from a caffeinated beverage remain caffeinated? I realize that the amounts of caffeine are so low that a bottle of coffee porter, for example, wouldn't be the same as a cup of coffee. I'm just curious if the yeast or alcohol reacts with the caffeine.

Slainte!

 
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Old 07-06-2013, 02:46 AM   #2
LabRatBrewer
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I'll wait for other to check in, but I do not see any reason in the fermentation process that caffeine would be reduced or eliminated. Not necessarily relevant, but my Irish Coffee certainly retains its caffeine.

 
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Old 07-06-2013, 02:58 AM   #3
Stauffbier
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The caffeine will still be present.
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