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Date: Wed, 17 Jul 1996 00:30:06 -0600
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Subject: Lambic Digest #897 (July 17, 1996)
Lambic Digest #897 Wed 17 July 1996
Forum on Lambic Beers (and other Belgian beer styles)
Mike Sharp, Digest Coordinator
Contents:
ester formation (STROUDS)
Traditional De Troch/Avalability? (John A. Carlson, Jr.)
Australian pLambic Brewers ("Craig Jones.")
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Date: Tue, 16 Jul 1996 11:38:13 -0400 (EDT)
From: STROUDS at cliffy.polaroid.com
Subject: ester formation
AlK> My experience has shown that the acidity increases for a
AlK> year or three and then decreases. I believe the process
AlK> by which this occurs is esterification where acids and
AlK> alcohols join to form esters. I believe that yeast is
AlK> necessary for this to occur (can anyone confirm/deny?).
An organic chemist would tell you that all is needed for
esterification to occur is a carboxylic acid, an alcohol, and an acid
catalyst, not yeast. The components would be in equilibrium:
H+
ROH + R'COOH <---------> R'COOR + H2O
Exactly where the equilibrium lies depends on several factors,
including the concentrations of the various components.
I don't know whether or not the above scenario plays any part in the
reduction of acidity of lambics over time but it does seem plausible.
How likely is it that the brewing yeasts are still viable and active
enough after three years that their enzymes could catalyze the
esterification?
It is also possible that the lambic acidity is reduced due to chemical
reactions other than esterification. Surely this has been studied and
published somewhere?
Steve
strouds at polaroid.com
------------------------------
Date: Tue, 16 Jul 1996 10:27:18 -0600 (MDT)
From: jac at usa.net (John A. Carlson, Jr.)
Subject: Traditional De Troch/Avalability?
Several folks have mentioned tasting the Traditional De Troch recently.
Where were you able to find this product? I understand only a limited
amount was imported to the states. Was it packaged in a 750 ml bottle?
Any leads would be appreciated as I would like to find some for a lambic
tasting next month.
The CR supply in Colorado has seemed to dry up before it ever really got
here. My local
liquor store beer buyer says he has trouble moving the Boon product but has
an even harder time getting any from Vanberg & DeWulf.
- --John
PS: Maybe some of you folks who want to *unsubscribe* should send your
message to the CORRECT
address and stop wasting bandwidth. -- (first request)
*======================================================================*
| John A. Carlson, Jr., Esq. (303)443-4434 voice |
| 3100 Arapahoe Avenue, Suite 400 (303)443-5479 fax |
| Boulder, Colorado 80303 jac at usa.net email |
*======================================================================*
------------------------------
Date: Wed, 17 Jul 1996 13:40:11 +1000
From: "Craig Jones." <Drake_Morgan at airservices.gov.au>
Subject: Australian pLambic Brewers
Hi,
I'd like to know if there are any Australian pLambic Brewers or any
Australian lambic connoisseurs follow the digest? Hell, I'd be happier
if I found another serious pLambic Brewer in Australia, the closest so
far is New Zealand. Purchasing Lambic beer or any kind of Belgian Beer
here is rather difficult. The only 2 I've managed to track down is
Hoegaarden Grand Cru and Bellevue Kriek.
Some questions for the general audience:
1) I believe some lambic 'brew wild or die' T-shirts exist. Does anyone
have any details where I might buy one?
2) Can I use commercial bought fruit syrups rather than fresh fruits for
convienience?
3) What other fruits can I use rather than just Kriek, Framboise, Peche
and Cassis? I was thinking along the lines of:
Elderberry, Rowanberry, Plum, Blackberry, Rosehip, or Sloe.
4) If I use purchased cultured yeast (ie Wyeast) what particular strains
do I need? I'm currently using liquid belgian ale and brettanomyces
bruxellensis. I know I need more buy more but how many more?
Some questions for any Australian pLambic Brewers:
1) Where can you buy good lambic commercially in Australia?
2) Where can you buy the yeasts to make pLambic in Australia?
(I cannot import directly from the states ue to customs
restrictions and I cannot find a shop willing to import
it for me.)
3) Is there a club, newsletter, gathering, etc for pLambic Brewers?
Regards,
Very Thirsty Down Under,
Craig Jones.
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End of Lambic Digest
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