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Buy Wholesale and maintain an Active status for 2 months and we will refund your $39 Distributor Fee
07-SEPTEMBER-2008 03:17:44 - Tannic acid A bottle of tannic acid. A bottle of tannic acid. Tannic acid, a commercial form of tannin, is a polyphenol. Its weak acidity pKa around 10 is due to these phenol groups in the structure. Tannic acid is a basic ingredient in the chemical staining of wood. The tannic acid or tannin is already present in woods like oak, walnut, and mahogany. Tannic acid can be applied to woods low in tannin so chemical stains that require tannin content will react. Tannic acid is the most common mordant for cellulose fibers such as cotton. Tannin is often combined with alum and/or iron. The tannin mordant should be done first as metal mordants combine well with the fiber-tannin complex. The presence of tannic acid in the bark of redwood Sequoia is a strong natural defense against wildfire, decomposition and infestation. It is found in the seeds, bark, cones, and heartwood. The chemical formula for commercial tannic acid is often given as C76H52O46, but in fact it contains a mixture of related compounds. Its structure is based mainly on glucose esters of gallic acid. It is a yellow to light brown amorphous powder which is highly soluble in water; one gram dissolves in 0.35 mL of water. It is said that soaking feet in tannic acid or strong tea can help prevent blisters. But the use of tea for toughening skin appears to be apocryphal, in as much as tea is said to be incapable of tanning leather. Tannic acid was once used as a treatment for strychnine poisoning in the late 19th and early 20th centuries. SARS Tannic acid, along with 3-isotheaflavin-3-gallate TF2B, a Theaflavin, inhibit SARS-CoV, both compounds found in black tea. References The Merck Index, 9th ion, Merck Co., Rahway, New Jersey, 1976. External links Tannin chemistry PDF, 1.45 MB tea does not tan leather Retrieved from http://en..org/wiki/Tannic_acid Categories: Phenols | Carboxylate esters | Astringent flavors Views Article Discussion this page History Personal tools Log in / create account Navigation Main page Contents Featured content Current events Random article Search Go Search Interaction Community portal Recent changes Contact Donate to Help Toolbox What links here Related changes Upload file Special pages Printable version Permanent link Cite this page Languages Español Nederlands Polski Türkçe This page was last modified on 29 July 2008, at 12:23
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So many of us do not eat a balanced diet, get enough sleep, have too much stress, or are impacted with toxins and pollutants. Drinking 2 ounces of MonaVie twice a day will help your body detoxify as well as build your immune system. Its the smartest thing you can do for yourself, so start today. Buying MonaVie through our company guarantees you support 7 days a week and, if you would like to share MonaVie with your family and friends we will guide you from start to finish.
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