polyphenol

[ pol-ee-fee-nawl, -nol ]

Phonetic (Standard)IPA

noun

Chemistry. a polymeric phenol.
Biochemistry. any of a group of naturally occurring compounds found significantly in fruits, vegetables, cereals, coffee, tea, and wine, and widely studied for properties believed to promote health and fight disease. flavonoid.

polyphenol

Any of various alcohols containing two or more benzene rings that each have at least one hydroxyl group (OH) attached. Many polyphenols occur naturally in plants and some kinds, such as the flavonoids and tannins, are believed to be beneficial to health.

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Word History and Origins

Origin of polyphenol¹

First recorded in 1895–1900; poly- + phenol

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Example Sentences

Examples have not been reviewed.

The absence of a specific polyphenol, syringic acid, served to identify the wine as white.

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But before McGivern could look for evidence of polyphenol degradation in the core samples, she first had to create a database of gene sequences that corresponded to polyphenol metabolism.

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Sure enough, she said, polyphenol metabolism was happening.

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"�� we found was that genes across 58 different polyphenol pathways were expressed," McGivern said.

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But no studies, including decades of research on one polyphenol called resveratrol, have definitively linked the amounts that you get from red wine to good health, Cho said.

From

Polyphemus moth polyphone

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