Moderators: Jenise, Robin Garr, David M. Bueker
Brian K Miller
Passionate Arboisphile
9340
Fri Aug 25, 2006 1:05 am
Northern California
Carl Eppig
Our Maine man
4149
Tue Jun 13, 2006 1:38 pm
Middleton, NH, USA
Carl Eppig (Middleton, NH wrote:Spent some time in one of NH's better state stores this weekend (Hooksett downtown for you locals) and could find nary a California Barbera!
Mike Filigenzi
Known for his fashionable hair
8187
Mon Mar 20, 2006 4:43 pm
Sacramento, CA
Mike Filigenzi (Sacto) wrote:I also have to say that when I have a wine that tastes this strongly of tartaric acid, I can't help but think that maybe it was over-acidulated during the winemaking process. That's not really fair as I have never had a wine that I knew had been subjected to such treatment, so I have no idea whether I could recognize it or not. But I can't get away from that perception.
Mike
Mike Filigenzi
Known for his fashionable hair
8187
Mon Mar 20, 2006 4:43 pm
Sacramento, CA
Mark Willstatter wrote:
Mike, I know that some here would claim to be able to detect when a winemaker has overdone the addition of acid but frankly I'm dubious about that. As I'm sure you're aware, tartaric acid is the predominant acid in grape juice and wine. Since naturally occurring and added tartaric acid are chemically identical, I would be difficult to convince that there is a palate that can somehow tell the difference.
That said, of course, high levels of alcohol - 14.2% in this case - imply ripe fruit, so it's fair to be suspicious when acid is also high. On the other hand, Barbera is famous for its acidity and even Italian Barberas sometimes have highish alcohol along with the typical acid. Bottom line in case of your Coffaro: who knows?
Mike B.
Ultra geek
367
Fri Aug 25, 2006 10:56 am
Edmonton, Alberta, Canada
Rod Miller wrote:Correct me if I am wrong, but manufactured tartaric acid can oxidize. The slight oxidization makes it taste different than natural tartaric acid in grape juice.
Oliver McCrum
Wine guru
1076
Wed Mar 22, 2006 1:08 am
Oakland, CA; Cigliè, Piedmont
Mike Filigenzi (Sacto) wrote:
I also have to say that when I have a wine that tastes this strongly of tartaric acid, I can't help but think that maybe it was over-acidulated during the winemaking process. That's not really fair as I have never had a wine that I knew had been subjected to such treatment, so I have no idea whether I could recognize it or not. But I can't get away from that perception.
Mike
Rod Miller wrote:Correct me if I am wrong, but manufactured tartaric acid can oxidize. The slight oxidization makes it taste different than natural tartaric acid in grape juice.
Oliver McCrum
Wine guru
1076
Wed Mar 22, 2006 1:08 am
Oakland, CA; Cigliè, Piedmont
Rod Miller wrote:Its not the nature of the molecule that we are arguing about. It is the treatment. Extract Tartaric that sits around in drums is exposed to more air than natural tartaric in grape extract and therefore can oxidize more. Or perhaps there is some other impurity (in the harvested tartaric acid) that we are tasting. tartaric acid used in winemaking is manufactured via the lees from winemaking, right.
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