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Winemaking (rec.crafts.winemaking) Discussion of the process, recipes, tips, techniques and general exchange of lore on the process, methods and history of wine making. Includes traditional grape wines, sparkling wines & champagnes.

Why should pH drop after fermentation?



 
 
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Old 21-03-2005, 06:42 PM
Joe Sallustio
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Default Why should pH drop after fermentation?

Potassium probably dropped out, lowering the pH. Other acids are also
formed when fermenting, it's not uncommon for pH to drop.

Joe

  #2 (permalink)  
Old 23-03-2005, 03:01 PM
Lee
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What's an HT- molecule? Someone mentioned that "other acids are
formed". I've never heard this, and I'm not sure they'd drop the pH
anyway.

Lee

  #3 (permalink)  
Old 23-03-2005, 03:01 PM
Lee
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What's an HT- molecule? Someone mentioned that "other acids are
formed". I've never heard this, and I'm not sure they'd drop the pH
anyway.

Lee

  #4 (permalink)  
Old 24-03-2005, 12:47 PM
Joe Sallustio
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Lee, Acids formed during fermentation (other than ML):
Succinic and the volatile acids; acetic, formic, propionic and butyric.

Succinic and acetic are in higher concentrations than the others.

HT- is the first dissociated tartaric anion.

Joe



Someone mentioned that "other acids are
formed". I've never heard this, and I'm not sure they'd drop the pH
anyway.

Lee


  #5 (permalink)  
Old 24-03-2005, 12:47 PM
Joe Sallustio
Usenet poster
 
Posts: n/a
Default

Lee, Acids formed during fermentation (other than ML):
Succinic and the volatile acids; acetic, formic, propionic and butyric.

Succinic and acetic are in higher concentrations than the others.

HT- is the first dissociated tartaric anion.

Joe



Someone mentioned that "other acids are
formed". I've never heard this, and I'm not sure they'd drop the pH
anyway.

Lee


 




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