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Old 01-18-2012, 02:16 PM   #1
KevinJ
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Default My yeast seem to love coffee

I started a coffee wine and the yeast seemed to be rocking more than normal.

Has anyone noticed this before or are my yeast just pulling college all night study sessions? They seem to love coffee.

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Old 01-18-2012, 02:26 PM   #2
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I never tried coffee with brewing, but I used to grow mushrooms, and they seemed to like coffee grounds. maybe same kinda thing going on.


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Old 01-20-2012, 03:09 AM   #3
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My wife and I did a Chardonnay/semillon kit and added a handful of coffee beans in secondary. Turned out great!
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Old 01-20-2012, 01:05 PM   #4
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I did a quick bit of research and apparently caffeine extends the lifespan of yeast cells quite a bit. Maybe you have a much higher amount of yeast cells on your fermenter than usual?

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Old 01-20-2012, 10:50 PM   #5
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HELL YEAH, that sounds awesome!

Caffeine and possibly other nutrients in the coffee beans are helping them out, I'd say.
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Old 01-21-2012, 01:36 AM   #6
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haha it's WINE ROIDS

Following this one, definitely - tell us out it turns out! Were there any other ingredients besides coffee and, I assume, grapes?
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Old 01-21-2012, 03:47 AM   #7
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Quote:
Originally Posted by Tw0fish View Post
ingredients besides coffee and, I assume, grapes?
Not necessarily. If he's using Jack Keller's recipe...
winemaking: requested recipe (Coffee Wine)
...then he won't. Grapes would help provide nutrient, but if a recipe by Jack Keller DOESN'T list grap concentrate or raisins, there's probably a very good reason for it, seeing as most of his recipes do. Probably the tastes don't go together.
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7L of NSPA + 1kg honey + 3L white grape juice
Bulk Aging:
3787 Saaz/Styrian Porter (on palm sugar)
Autumn Wheat Beer (on "Profruit Krimsonberries")
3787 Bochet
Jack Keller's Seville Orange Wine
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Autumn Wheat Beer
3787 Saaz/Styrian Porter
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3787 Dubbel
Jack Keller's Seville Orange Wine
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Old 01-21-2012, 04:02 AM   #8
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Will the wine have caffeine in it?
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Old 01-21-2012, 04:25 AM   #9
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Quote:
Originally Posted by nwaite View Post
Will the wine have caffeine in it?
Yep. I can't think of any reason it would break down.
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7L of NSPA + 1kg honey + 3L white grape juice
Bulk Aging:
3787 Saaz/Styrian Porter (on palm sugar)
Autumn Wheat Beer (on "Profruit Krimsonberries")
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Jack Keller's Seville Orange Wine
Bottled:
Nelson Sauvin Pale Ale
Autumn Wheat Beer
3787 Saaz/Styrian Porter
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3787 Dubbel
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Old 01-22-2012, 01:07 AM   #10
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I used the Jack Kellers recipe with a flavored coffee. I plan on throwing in a handful of coffee or espresso beans into the secondary.

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