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Old 03-25-2011, 02:58 AM   #1
jb721
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Default Solved: Substitute Yeast Nutrient

The following I found in various threads around here seem like simple, low cost, and (mostly) natural alternatives if you're out of nutrient.

If you are boiling you can add any dry yeast to the boil, including bread yeast. It is the same as using yeast hulls. Yeast are cannibals and they will go for the dead yeast first. -Revvy

use grape nuts it works great, take one cup and add water boil for a couple of min in a microwave, then cool and strain add only the liquid to the fermenter. It will take off like a rocket ship. -yodalegomaster

(I was curious what makes grape nuts a good yeast nutrient so I looked up the ingredients: whole grain wheat flower, wheat flower, malted barley, salt, dried yeast, soy lecithin, other things including 6 kinds of B vitamins. All sounds yummy for the yeasties! I read somewhere they need B vitamins.)

Yeast Energizer/Nutrient:
Bee pollen. If you're buying directly from the producer, ask them.
Raisins. Chopped, smashed, or generally abused.
Acid Blend:
Lemon juice is a good substitute. Just add it to taste, probably 1 mL at a time.
-will_cbe

I was curious about yeast nutrient and energizer after I got the stuff I ordered off the internet so I did a little digging. I really didn't like the idea of putting urea and diammonium phosphate (DAP) in something I plan on drinking. My bad for ordering something without reading the ingredients. Thought I'd share what I gathered. Cheers!

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Old 03-25-2011, 03:02 AM   #2
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Default Substitutes

Thanks for the info! Plan on trying to GrapeNuts next, sounds full of good yeast foods!

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Old 03-25-2011, 03:59 AM   #3
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i ain't adding grape nuts... nope, not gonna do it.

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Old 03-25-2011, 04:56 AM   #4
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I hated grape nuts when I was a kid...

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Old 03-25-2011, 05:03 AM   #5
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All the nutrients yeasts need can be found in malt extract.

I could see no difference between using ME and ME + Difco yeast extract.

Grape nuts go in my belly, not my starter.

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Old 03-25-2011, 05:22 AM   #6
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FWIW, wort is typically deficient of soluble zinc. Grape nuts, bread yeast, etc. do not provide soluble zinc. Worst case, they contribute flavor to the finished beer.

My advice is to use a recommended yeast nutrient. A deficient mineral fermentation primarily affects successive yeast generation [cell wall] health/permeability.

So, if you're brewing all grain wort and not washing/rinsing your yeast, I wouldn't even worry about adding "nutrients".

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Old 03-25-2011, 10:35 AM   #7
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Believe it or not, grape nuts have zinc oxide.

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Old 03-25-2011, 11:00 AM   #8
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I've used bee pollen before as well as brewer's yeast the nutritional supplement.

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Old 03-25-2011, 12:41 PM   #9
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Quote:
Originally Posted by musick View Post
All the nutrients yeasts need can be found in malt extract.

I could see no difference between using ME and ME + Difco yeast extract.

Grape nuts go in my belly, not my starter.
musick, try adding 5 or 10 grams per liter of Difco Bacto-peptone to the ME, that might kick 'em in.
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Old 03-25-2011, 12:47 PM   #10
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Quote:
Originally Posted by jb721 View Post
I really didn't like the idea of putting urea and diammonium phosphate (DAP) in something I plan on drinking.
D'oh, I've just bought some nutrient and thought DAP sounds similar, so checked ingredients and yeah, I've got some pee in my yeast nutrients. Maybe I should save some money and just take a leek into my wort before pitching in future?
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