tannic acid

tannic acid
tannic acid
1. a yellowish, astringent substance, C14H10O9, derived from oak bark, gallnuts, etc. and used in tanning hides, in medicine, etc.
2. any of a number of similar substances

English World dictionary. . 2014.

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  • Tannic acid — IUPAC name 2,3 dihydroxy 5 ({[(2R,3R,4S,5R,6R) 3,4,5,6 tetrakis({3,4 dihydroxy 5 [(3,4,5 trihydroxyphenyl)carbonyloxy]phenyl}carbonylox …   Wikipedia

  • Tannic acid — Tannic Tan nic, a. Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid. [1913 Webster] {Tannic acid}. (Chem.) (a) An acid obtained from nutgalls as a yellow amorphous substance, {C14H10O9}, having an astringent taste, and… …   The Collaborative International Dictionary of English

  • tannic acid — tanino rūgštis statusas T sritis chemija formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. gallotannic acid; gallotannin; tannic acid rus. галлодубильная кислота; дубильная кислота …   Chemijos terminų aiškinamasis žodynas

  • tannic acid — Penta ( m digalloyl) glucose, or any soluble tannin; used in electron microscopy to enhance the contrast. Addition of tannic acid to fixatives greatly improves, for example, the image obtained of tubulin subunits in the microtubule, or the HMM… …   Dictionary of molecular biology

  • tannic acid — A tannin, C76H52O46, that occurs in many plants, particularly in the bark of oaks and other members of the Fagaceae; used as a styptic and astringent, and in the treatment of diarrhea; available also as t. glycerite. Sometimes used synonymously… …   Medical dictionary

  • tannic acid — noun any of various complex phenolic substances of plant origin; used in tanning and in medicine • Syn: ↑tannin • Derivationally related forms: ↑tannic (for: ↑tannin) • Hypernyms: ↑phenol …   Useful english dictionary

  • tannic acid — noun Date: 1836 tannin 1 …   New Collegiate Dictionary

  • tannic acid — Chem. See under tannin. [1830 40] * * * …   Universalium

  • tannic acid — noun any of various complex phenols extracted from the bark or galls of trees; used in tanning …   Wiktionary

  • tannic acid — noun another term for tannin. Derivatives tannate noun …   English new terms dictionary

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