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Polyphenol

Representative chemical structure of one of many plant-derived polyphenols that comprise tannic acid. Such compound are formed by esterification of phenylpropanoid-derived gallic acid to a monosaccharide (glucose) core.

Polyphenols (/ˌpɒliˈfiːnoʊl, -nɒl/) are a large family of naturally occurring phenols.[1] They are abundant in plants and structurally diverse.[1][2][3] Polyphenols include phenolic acids, flavonoids, tannic acid, and ellagitannin, some of which have been used historically as dyes and for tanning garments.

Curcumin, a bright yellow component of turmeric (Curcuma longa), is a well-studied polyphenol.
  1. ^ a b Quideau S, Deffieux D, Douat-Casassus C, Pouységu L (January 2011). "Plant polyphenols: chemical properties, biological activities, and synthesis". Angewandte Chemie. 50 (3): 586–621. doi:10.1002/anie.201000044. PMID 21226137.
  2. ^ "Flavonoids". Micronutrient Information Center, Linus Pauling Institute, Oregon State University. 1 February 2016. Retrieved 28 October 2020.
  3. ^ Nonaka G (1989). "Isolation and structure elucidation of tannins" (PDF). Pure Appl. Chem. 61 (3): 357–360. doi:10.1351/pac198961030357. S2CID 84226096.

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