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HOMEBREW Digest #5193
HOMEBREW Digest #5193 Fri 08 June 2007
FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
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Contents:
British pint vs. American pint vs. Syracuse pint ("Peter A. Ensminger")
Words...worth? (leavitdg)
Subject: Re: Olive Oil (Steven Parfitt)
Angel's Share ("Chad Stevens")
re: Olive Oil (Matt)
re:Olive Oil ("Jim Liddil")
thanks to Byron Adkins ("jon here")
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Date: Fri, 08 Jun 2007 01:29:46 -0400
From: "Peter A. Ensminger" <ensmingr at twcny.rr.com>
Subject: British pint vs. American pint vs. Syracuse pint
Some discussion in another listserv inspired me to look up the value of
an "Imperial pint", a unit of measure in Great Britain.
In Britain, a pint of beer (or cider or perry) is an "imperial pint",
which is 568.26125 mL (=19.2 fluid ounces). Apparently, the British
government declared that an "imperial gallon" of water weighs 10 lbs at
62 deg F and the "imperial pint" is 1/8 of an "imperial gallon".
However! You will often see that cans of beer in Britain contain 500 mL.
This is known as the "metric pint".
See: http://www.opsi.gov.uk/si/si1995/Uksi_19951804_en_2.htm
Then again, my favorite local serves "22 oz pints". See:
http://www.bluetusk.com/ . I declare this to be the "Syracuse pint".
Cheers!
Peter A. Ensminger
Syracuse, NY
Apparent Rennerian: [394, 79.9]
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Date: Fri, 08 Jun 2007 05:27:29 -0400
From: leavitdg at plattsburgh.edu
Subject: Words...worth?
To me the meanest ale that flows
Can give thoughts that lie too deep for tears.
DARRELL WORDSWORTH
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Date: Fri, 8 Jun 2007 07:47:39 -0700 (PDT)
From: Steven Parfitt <thegimp98 at yahoo.com>
Subject: Subject: Re: Olive Oil
IF I were to try an experiment with olive oil, I'd be
inclined to add it to the last step in propigating the
yeast, then pour off the spent wort and just add the
yeast slurry to the beer wort to eliminate as much
olive oil as possible.
Steven, -75 XLCH- Ironhead Nano-Brewery http://thegimp.8k.com
Johnson City, TN [422.7, 169.2] Rennerian
"There is no such thing as gravity, the earth sucks." Wings Whiplash - 1968
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Date: Fri, 8 Jun 2007 07:57:30 -0700
From: "Chad Stevens" <zuvaruvi at cox.net>
Subject: Angel's Share
Someone was asking about info for an Angel's Share clone (can't remember if
it was here or the other digest...but I'd rather share it here!) This from
Tomme:
>
> For the Angel's Share.
>
> Two Row
> Wheat
> Simpson's Extra Dark Crystal
> Crisp 77 L
> Crisp Chocolate
>
> OG 1.096
> TG 1.022
> 33 IBu's from German Mags
> 88 SRM
>
> That's all I am willing to part with at this time.
> Tomme
http://seattleweekly.com:80/2007-05-30/food/tomme-
arthur-is-the-rock-star-of-yeast.php
Hope to see some of you at the San Diego County Fair Craft Brewers Festival
Saturday June 9th and the Homebrew Comp, Sunday June 10th!
Chad Stevens
QUAFF
San Diego
------------------------------
Date: Fri, 8 Jun 2007 08:56:19 -0700 (PDT)
From: Matt <baumssl27 at yahoo.com>
Subject: re: Olive Oil
Jeremy and Steve disagree with New Belgium's math (or perhaps there is
a typo in their message). Isn't there some simple math that can be
done to at least get in the ballpark? I'll take a stab and someone can
correct me if I'm wrong. *Ignoring sterols for a moment*, assume one
fatty acid molecule roughly substitutes for one oxygen atom with regard
to yeast fatty acid needs. 8 ppm oxygen is in that way replaced by 128
ppm oleic acid (8 ppm times 282 g/mol over 16 g/mol). For a 5 gallon
batch, this is ~2.5 grams or ~3 ml (was baffled for a second when I
originally got 2800 ml due to incorrect density in Wikipedia). So, New
Belgium's numbers don't make sense to me either (though of course my
initial assumption could be wrong).
Fred, maybe Charlie Scandrett's reference answers your concerns about
how the yeast split the triglycerides?
Steve says:
"I'll have to make a brief reply to Matt Baum's [sic] belated discovery
that need unsaturated fats made with oxygen."
That's not the "discovery" I was reporting, as I thought I made it
clear that the science is nothing new. The discovery (not mine and not
very belated) is that New Belgium has actually been using olive oil on
a pretty big scale, with a level of "success" that encouraged them to
make a million bottle of beer this way. (Notwithstanding the question
of whether this same success could be achieved by eliminating the
aeration AND the olive oil.)
"> Question 1: Okay so what about that ergosterol? Does the linoleic,
> oleic, or anything else in olive oil allow yeast to produce sterols?
No !"
Thanks for an unequivocal answer to my main question. I don't like
taking things on authority, but the exclamation point seems to indicate
you could back this up voluminously if I asked (which I will not).
So, presumably New Belgium's pitching yeast is sufficiently stocked up
on sterols (or their ferments would stick, because they are not
aerating and the olive oil doesn't help with that). Seems like then
that it is well stocked up with fatty acids as well (because whatever
procedure is used to build up sterols would likely also build up fatty
acids, and also because 300 ml of olive oil seems like too little
anyway.) Of course, pitching yeast can be built up and stocked up to
the point that no oxygen, fatty acids, or ergosterol need be added for
a healthy ferment (and I do it all the time). It is starting to sound
like New Belgium's pitching yeast is in a similar state. I wonder if
they've tried skipping the olive oil.
Matt Baumgart
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Date: Fri, 8 Jun 2007 12:26:24 -0400
From: "Jim Liddil" <jliddil at gmail.com>
Subject: re:Olive Oil
yea, I posted on fatty acids and yeast and I still have the papers in a file
cabinet. I'd have to pull them. My biochem is a little rusty since I
changed careers. Take anything you hear from a brewer with a grain of salt.
Or try the experiment yourself. Add some Olive oil to your wort, maybe extra
virgin for the flavor.
Jim
------------------------------
Date: Fri, 8 Jun 2007 13:36:55 -0500
From: "jon here" <jonnieoh at gmail.com>
Subject: thanks to Byron Adkins
I pulled a recipe of the Gambrius Mug around Christmas for an AG Blue Moon
clone posted by Byron Adkins (2002). It was great and I wanted to thank him.
Alas, the email address he left is no longer active. So, if you are out
there reading this Byron (or anyone who know him) it was great!
john (near Mobile, AL)
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End of HOMEBREW Digest #5193, 06/08/07
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