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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.

questions about additives in fruit juices that have added calcium and Vitamin C?



 
 
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Old 23-03-2007, 03:31 AM posted to rec.crafts.winemaking
robertjm
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Default questions about additives in fruit juices that have added calcium and Vitamin C?

Hi all,

Looking for some input.

I recently bought some pineapple juice from Trader Joe's. The juice is
listed as 100% and is apparently not from concentrate. HOWEVER, it
says it is fortified with calcium (calcium acetate) and Vitamin C
(ascorbic acid).

Will there be issues with using this juice to make wine with? Will the
calcium just settle out with the pulp and yeast? After doing some
reading I see that the Vitamin C shouldn't be an issue.

I don't have any PH strips to test the acid level with tonight, but
figure I will get some.

Thoughts?

Robert

  #2 (permalink)  
Old 25-03-2007, 12:27 AM posted to rec.crafts.winemaking
Joe Sallustio
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Default questions about additives in fruit juices that have added calcium and Vitamin C?

Calcium Acetate sounds a little odd as an additive but I'm not a
chemist. As long as it has no preservatives like sorbate you should
be good to go. Calcium carbonate is used to reduce acids in wines with
little issues FWIW.

Joe


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Old 25-03-2007, 07:38 AM posted to rec.crafts.winemaking
gene
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Default questions about additives in fruit juices that have added calciumand Vitamin C?

Joe Sallustio wrote:
Calcium Acetate sounds a little odd as an additive but I'm not a
chemist. As long as it has no preservatives like sorbate you should
be good to go. Calcium carbonate is used to reduce acids in wines with
little issues FWIW.

Joe


I looked up calcium acetate in Wikipedia:

"If an alcohol is added to a saturated solution of calcium acetate, a
semisolid, flammable gel forms that is much like "canned heat" products
such as Sterno. Chemistry teachers often prepare "California Snowballs",
a mixture of calcium acetate solution and ethanol. The resulting gel is
whitish in color, and can be formed to resemble a snowball."

The juice is far from being a saturated solution of calcium acetate, but
I wonder if the reaction of the calcium acetate in the juice with the
ethanol (wine alcohol) in the fermented wine might cause cloudiness.
Might be worth the risk to make a small batch to find out before
committing to a carboy worth.

Gene
  #4 (permalink)  
Old 25-03-2007, 11:20 AM posted to rec.crafts.winemaking
Joe Sallustio
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Default questions about additives in fruit juices that have added calcium and Vitamin C?


The juice is far from being a saturated solution of calcium acetate, but
I wonder if the reaction of the calcium acetate in the juice with the
ethanol (wine alcohol) in the fermented wine might cause cloudiness.
Might be worth the risk to make a small batch to find out before
committing to a carboy worth.

Sounds like a good idea. I'm assuming they add that for body but when
I think of acetate I think vinegar, not wine. That clump that most
people call mother is actually a big blob of acetate. The mother is
really just the live bacteria infesting the vinegar, but the clump is
saturated with it so calling it the mother isn't necessarily wrong.
It really does seem like an odd think to add to a food product.

Joe

 




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