Topic: Tannins
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What are Tannins?
Tannins are astringent, bitter plant polyphenols that either bind and precipitate or shrink proteins. Tannins have molecular weight ranging from 500 to over 3,000. Read More »
Source: http://answers.ask.com/Home/Other/what_are_tannins
What is Tannin?
Tannin is a bitter plant poly-phenol. It plays a major part in the processes of ripening fruit and aging wine; it's the modification or declining level of tannin that changes the flavors. Tannin is what causes that puckering sensation you g... Read More »
Source: http://answers.ask.com/Home/Other/what_is_tannin
How to Remove Tannin Stains
Beverages, colognes and washable inks can transfer onto clothing and leave unsightly tannin stains. The high temperatures of beverages, such as coffee and tea, and artificial colorings in soft drinks make tannin stains distinctive from othe... Read More »
Source: http://www.ehow.com/how_6132795_remove-tannin-stains.html
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Tannins
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Tannin is the substance in wine that creates an astringent, dry mouth feel. Tannins occur naturally in grape skins and stems, as well as in many other plants. The amount of tannin naturally occurring in wine depends on the grape skin’s thic...
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Source: http://www.ehow.com/how_6931741_add-tannin-wine.html
When tannin molecules are exposed to protein molecules, such as those in human tissue, they mold themselves around the proteins and constrict them. What actually occurs in the tea bag eye treatment is that tannins tighten the skin molecules...
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Source: http://www.ehow.com/how_4679959_tea-bag-treat-puffy-eyes.html
Tannin, the same substance that makes wine stains such a chore to clean up, can also pose problems for concrete outside. Concrete is a porous material and, due to that fact, can easily become discolored from natural environmental factors. T...
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Source: http://www.ehow.com/how_5611581_remove-tannin-stains-concrete.htm...
Usually found in red wine, tannin is a chemical substance that comes from grape skins, seeds and stems. Tannins are what give wine a dry, bitter taste. Tannins also help prevent oxidation and play a major role in a wine's aging process. A h...
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Source: http://www.ehow.com/how_2302547_know-wines-tannin-content.html
tannin in red wines comes from the juice being left with the skins for a period.the tannin itself is primarily tannic acid,brown and bitter,similar to tea
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Source: http://wiki.answers.com/Q/What_is_tannin_in_wine_making
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Source: http://wiki.answers.com/Q/What_is_the_Chemical_Formula_for_Tannin
