tannic acid

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tannic acid

n.
1. A hydrolyzable tannin in the form of a lustrous yellowish to light brown amorphous, powdered, flaked, or spongy substance having the approximate composition C76H52O46, derived from certain plants and used in tanning leather, in fixing dyes to materials, and in clarifying wine and beer.
2. See tannin.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tannic acid - any of various complex phenolic substances of plant origin; used in tanning and in medicine
cutch, kutch - tannin extract derived from any of several mangrove barks of Pacific areas
phenol - any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
catechin - a tannic acid that is extracted from black catechu as a white crystalline substance
Translations

tannic acid

nTannin nt
References in periodicals archive ?
Saw palmetto also contains tannic acids, which bind to iron and may reduce its usability.
According to research, the miswak contains a number of natural antiseptics that kill harmful micro-organisms in the mouth, tannic acids that protect gums from disease, and aromatic oils that increase salivation.
The phenol content was obtained from the calibration curve prepared using tannic acids standard, and expressed as mg tannic acid equivalents/1 g dry weight.
Tannic acids belong to the hydrolyzable group of tannins [21-22].
These metallic inks were made out of iron salts and tannic acids from vegetable sources.
Sage provides an array of complex compounds such as chlorogenic acid, tannic acids, resins, estrogenic substances, and potent flavones.
However, pretreatment with gallic and tannic acids orally at two doses, 20 and 40 mg/kg body weight, respectively, shows a significant (P < 0.05) improvement of renal function due to a decrease in the creatinine, urea, and uric acid levels when compared with the induced group (Group 2).
Cordoba-de-Torresi, SI, Fragata, FL, "Performance of Rust Converter Based in Phosphoric and Tannic Acids." Corros.
"We use some tar-coated, galvanized, corrugated metal on larger-diameter installations due to cost, and the contact with water that is heavy with tannic acids from the pines." Modlin added that his agency also installs driveway culverts, which usually are galvanized, corrugated steel.
Polyphenols, such as tannic acids in tea, coffee, eggs, red wine and soy protein (independent of the phytic acid in soy) also are powerful inhibitors of plant-based iron absorption.
Most products are only labeled in English and do not include material safety data sheets (MSDS), even when the product contains a known toxin such as benzyl benzoate, polyphenol-related tannic acids, ammonia or chlorine.
It is believed to be the acetic, tartaric and tannic acids of wine that stimulate appetite when used before a meal, and provide fruit, sugar, fructose, vitamins and some minerals.