tannic acid

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 decoration of microfilaments.

Dictionary of molecular biology. 2004.

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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 — n. 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

  • 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 — 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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