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Polyphenol
Class of chemical compounds / From Wikipedia, the free encyclopedia
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.
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