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-   -   My yeast seem to love coffee (http://www.homebrewtalk.com/f25/my-yeast-seem-love-coffee-295824/)

KevinJ 01-18-2012 01:16 PM

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.

Kevin

zippo 01-18-2012 01:26 PM

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.

rivervines 01-20-2012 02:09 AM

My wife and I did a Chardonnay/semillon kit and added a handful of coffee beans in secondary. Turned out great!

Dicky 01-20-2012 12:05 PM

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?

Dicky

Pith 01-20-2012 09:50 PM

HELL YEAH, that sounds awesome! :D

Caffeine and possibly other nutrients in the coffee beans are helping them out, I'd say.

Tw0fish 01-21-2012 12:36 AM

haha it's WINE ROIDS :D

Following this one, definitely - tell us out it turns out! Were there any other ingredients besides coffee and, I assume, grapes?

Pith 01-21-2012 02:47 AM

Quote:

Originally Posted by Tw0fish (Post 3688829)
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.

nwaite 01-21-2012 03:02 AM

Will the wine have caffeine in it?

Pith 01-21-2012 03:25 AM

Quote:

Originally Posted by nwaite (Post 3689432)
Will the wine have caffeine in it?

Yep. I can't think of any reason it would break down. :)

KevinJ 01-22-2012 12:07 AM

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.

Kevin


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