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Old 09-20-2012, 04:38 PM   #1
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Default How much Diacetyl is Dangerous?

Check the link I have attached. I am curious to know the effects of Diacetyl in our homebrews. Anyone heard of this problem? I am sure that the volume we ingest or inhale is minimal in comparison to workers exposed to it daily for years but what is an acceptable level and how does one test for it?

http://gma.yahoo.com/blogs/abc-blogs...opstories.html

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Old 09-20-2012, 04:48 PM   #2
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Here's a study on mice. You would have to heat and inhale the diacetyl over a period of time. There's no consensus on it's inhaled toxicity. There doesn't seem to be any risk from ingesting it and EU regulators say it is safe as a faloring additive. Diacetyl boils at 88C, and I couldn't find data on volatility.
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Old 09-20-2012, 05:03 PM   #3
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If I remember right and the person saying it was right... you get WAY more diacetyl in a bag of popcorn than in a 5g batch lousy with diacetyl. If it's okay to eat butter flavored popcorn then you've got nothing to worry about as far as your beer is concerned.

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Old 09-20-2012, 09:48 PM   #4
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Quote:
Originally Posted by maddad View Post
Check the link I have attached. I am curious to know the effects of Diacetyl in our homebrews. Anyone heard of this problem? I am sure that the volume we ingest or inhale is minimal in comparison to workers exposed to it daily for years but what is an acceptable level and how does one test for it?

http://gma.yahoo.com/blogs/abc-blogs...opstories.html

It's too late for you, you are a goner.
PS - can I have your Grain mill?


Seriously - The Diacetyl we consume is WAY WAY less than is present in popcorn. And we drink it, not inhale it. To suffer damage, you need to heat it up and inhale it.

I think you are safe.

(I guess no grain mill for me?)
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Old 09-20-2012, 09:54 PM   #5
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Not this again....I thought this hysteria wound itself down on here back in August....

http://www.homebrewtalk.com/f14/diac...light=Diacetyl

http://www.homebrewtalk.com/f19/diac...light=Diacetyl

http://www.homebrewtalk.com/f14/neve...light=Diacetyl

http://www.homebrewtalk.com/f14/diac...light=Diacetyl

Hey, did you guys hear, the White House brews beer???

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Old 09-20-2012, 10:08 PM   #6
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Diacetyl!!! RUNNNNNNNNNN!!!!

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Old 09-20-2012, 10:58 PM   #7
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If this joker can win $7.2 million, imagine how much a theater worker can sue for or someone in a popcorn factory.

Bottom line: this lawsuit is a joke; McDonalds-hot-coffee crap

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Old 09-20-2012, 11:25 PM   #8
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Quote:
Originally Posted by Revvy View Post
Someone is wound up tight... not everyone memorizes the history of the forum. It's pretty much a sure bet when a new story makes headline news and relates at all to beer, it's gonna show up here.
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Old 09-21-2012, 06:28 AM   #9
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I ask questions out of curiosity, not ignorance. Thanks to all who posted info or links. My health is of more concern than it was twenty years ago.

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Old 09-21-2012, 07:27 PM   #10
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I have read the above links and found them to be inconclusive. I am not a scientist. I do brew a lot of beer. I have trouble discerning some off flavors. I would be concerned with the amount I drink and how much more I intend to with regards to diacetyl levels in my beer.

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