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10-04-2007, 05:47 AM
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#1
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Location: San Jose, CA
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Cause of smokey flavor?
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Hey everyone - here's what's up:
I transfered to secondary fermentation about 3 days ago, and I sampled the beer from the hydrometer beaker. It had a distinctive smokey character - not just a hint of smoke, but fairly blatant. I'm know that the favor is only 1/2 developed so far - still needs the aging. But I was wondering what might cause the smokey flavor? Is it carmalized sugar that ... carmalized during the boil? Is it "large" sugars / fusel alcohols/ other chemicals that the yeast will digest during 2nd fermentation?
Brown Ale
Heres the ingredients (from a minimash):
1.75 lb 2-Row
1 lb Munich
8 oz Caravienne
8 oz Aromatic
8 oz Carapils
8 oz Crystal 60L
4 oz Chocolate
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1oz Northern Brewer Hops (6.8) - bittering
1&1 oz Kent Goldings - flavor & aroma
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English Ale Yeast
Thanks
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10-04-2007, 01:11 PM
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#2
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Location: Willamina & Oak Grove, Oregon, USA
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You have several 'biscuit' types there. Maybe combined, they are producing the smell.
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10-04-2007, 01:37 PM
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#3
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Beer Bully
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I'd agree with David. Also, some yeasts can actually give off some by-products that are "smoky" in nature, so that could be contributing as well.
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10-04-2007, 01:51 PM
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#4
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Here's Lookin' Atcha!
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How did you ferment, and what was your yeast? As Baron mentioned, yeasts can give off "smoky" phenols.
TL
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Drinking Frog Brewery, est. 1993
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10-04-2007, 09:11 PM
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#5
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Quote:
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Originally Posted by TexLaw
How did you ferment, and what was your yeast? As Baron mentioned, yeasts can give off "smoky" phenols.
TL
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Ferment -
7.5 Gal plastic bucket.
6 days
67-72 degrees
top fermenting, english ale yeast from "White Labs" (don't know the strain off top of my head).
2nd fermentation -
5 gal glass carboy
Planning for 2 weeks
65-70 degrees (weather got cooler  )
Initial gravity: 1.065
Gravity after primary fermentation: 1.025
Is this the type of flavor that mellows with age?
I'll try to remember to update this post with the final result in a few weeks.
-David
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10-04-2007, 10:01 PM
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#6
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Having made a barleywine with too much peat smoked malt, I can verify that (at least that type of smoke) mellows with age.
__________________
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk
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10-04-2007, 10:57 PM
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#7
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Quote:
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Originally Posted by david_42
You have several 'biscuit' types there. Maybe combined, they are producing the smell.
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Which grains qualify as 'biscuit' types? What does that mean?
Thanks.
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10-05-2007, 02:53 PM
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#8
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The class of malts is really Kilned malts, but one of the common elements is a toasted biscuit flavor. Biscuit, Victory, Munich, Vienna and Carapils fall into this group.
__________________
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk
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11-19-2007, 05:32 AM
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#9
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The beer has finished, and I have tasted several "samples."
I don't taste any smoke flavor at all. The beer's flavor is a bit more potent than I would like, but I'm attributing this to high fermentation temperatures (prolly in the 80s since room temp was 70s).
It is also worth noting that my oatmeal stout had a similar smoky flavor between primary & secondary fermentation. The stout is currently in bottles (awaiting bubbles), but again, the smoky flavor disappeared after secondary fermentation.
Just more confirmation for beginners: RDWHAHB
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11-19-2007, 03:49 PM
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#10
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Here's Lookin' Atcha!
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That sounds like phenols to me. With the high fermentation temperature, the yeast was more likely to make phenols. Then, in time, they faded.
TL
__________________
Beer is good for anything from hot dogs to heartache.
Drinking Frog Brewery, est. 1993
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