polyphenol

American  

[pol-ee-fee-nawl, -nol] / ˌpɒl iˈfi nɔl, -nɒl /

noun

1. Chemistry. a polymeric phenol.

2. 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.

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polyphenol Scientific  

/ pŏl′ē-fē′nôl′,-nōl′ /

1. 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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Etymology

Origin of polyphenol

First recorded in 1895–1900; poly- + phenol

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Example Sentences

See Examples For:

polyphenol

Ferulic acid is a polyphenol found in many plant-based foods, especially whole grains and rice bran.

From Science Daily ● Jul. 30, 2026

The researchers noted that although cardiovascular risk naturally increases with age, participants with higher polyphenol intake experienced a slower rise in risk across the 11-year follow-up period.

From Science Daily ● Dec. 5, 2025

Therefore, machine learning was able to accurately estimate important indices for evaluating spice extracts, including the total polyphenol content, total flavonoid content, antioxidant capacity, and reducing capacity.

From Science Daily ● Jan. 9, 2024

A: Extra-virgin olive oil contains polyphenol compounds that may contribute to the health benefits it offers as well as to the flavor experienced cooks prize.

From Seattle Times ● Jun. 28, 2023

The water slowed absorption but the polyphenol didn’t.

From Washington Post ● Nov. 22, 2021

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