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Old 03-23-2008, 03:45 PM   #1
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Default Aroma hops question

Can someone explain why hops are added for aroma at the end of the boil, then as soon as the wort is cooled (10-15 min.), the preferred method seems to be to leave the hops behind when transferring to the primary.

Is 10-15 min. during wort cool down enough time for the aroma compounds to be extracted from the hops? It seems weird to me to add hops, then strain them from the wort right away.

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Old 03-23-2008, 10:04 PM   #2
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i dont know the scientific explaination but the aromas are boiled out quickly so if you boil the hops longer the aromas will actually boil away

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Old 03-23-2008, 10:22 PM   #3
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Yes, it does seem strange. I think it was David_42 who explained it well. The jist of it was that the temperature at flame out (boiling) and then cooling is enough to extract the aroma and flavor that you desire from this hops addition. The longer times (over 20 minutes) extract the bitterness, and then the lessor times extract more flavor/aroma. That is why you often do the additions at 60 minutes, 15 minutes, 5 minutes, 0 minutes. You get different things from the different additions.

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Old 03-23-2008, 10:34 PM   #4
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You don't have to strain out the hops, but it does mean that you will have more sediment in the carboy.

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Old 03-23-2008, 10:42 PM   #5
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If you really want to maximize the flavor and aroma do like I do. Check my Fat Owl Pale Ale in my recipe pulldown and follow the hopping schedule.
My recipe is a slight variation of the commercial brew Sharks Tooth Pale Ale that was made from 94-98 somewhere in Ca.

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