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Tannin

tannin

(Science: chemistry plant biology) bitter-tasting, complex aromatic compounds found in the vacuoles of certain plant cells, for example in bark.

Some are glucosides, possibly giving protection to the plant or concerned with pigment formation.They are strongly astringent and are used in tanning and dyeing. Any of various complex phenolic substances of plant origin; used in tanning and in medicine.An organic compound that is found commonly in plants after pathogenic attack in the form of a gall. Tannins are an acidic chemical that is also found commonly is bark, leaves and unripe fruits.


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Re: Morgellons chemistry question

Interactions between saliva and wine From the table above we see that wine only contains about 0.1% tannins (also known as polyphenols). The sources of tannins found in red wine are the seeds, skin and stem of the grapes. When we drink red wine, the tannins react with proteins ...

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by HarrisonBergeron1
Wed Oct 07, 2009 3:23 am
 
Forum: Human Biology
Topic: Morgellons chemistry question
Replies: 7
Views: 7945

The Fiber Disease

... and incorporated the same into her products and Mary Kay cosmetics was born. From memory, because I can't find the darn book, I believe it was TANNIN that was the secret ingredient in the moisture cream that kick started her business. I will double check on that. Whatever it was/is- there are ...

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by mfromcanada
Fri Dec 01, 2006 6:29 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5561113

The Fiber Disease

... and incorporated the same into her products and Mary Kay cosmetics was born. From memory, because I can't find the darn book, I believe it was TANNIN that was the secret ingredient in the moisture cream that kick started her business. I will double check on that. Whatever it was/is- there are ...

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by J Jill
Fri Dec 01, 2006 5:07 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5561113

Just for fun......

... sulfur-reducing bacteria are among the bad bugs. Beer does not keep as well as wine because it is lower in alcohol and less acidic (also less tannin - which is a preservative). Did you use Campden tablets (sulfite) to stop fermentation? Can you let us know the correct answers after you get ...

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by eluned
Tue Jul 12, 2005 10:50 pm
 
Forum: Microbiology
Topic: Alcoholic fermentation from grape juice
Replies: 22
Views: 17735


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