poly·​phe·​nol | \ ˌpä-lē-ˈfē-ˌnōl How to pronounce polyphenol (audio) , -fi-ˈnōl \

Definition of polyphenol

: a polyhydroxy phenol especially : an antioxidant phytochemical

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Other Words from polyphenol

polyphenolic \ ˌpä-​lē-​fi-​ˈnō-​lik How to pronounce polyphenol (audio) , -​ˈnä-​ How to pronounce polyphenol (audio) \ adjective

Examples of polyphenol in a Sentence

Recent Examples on the Web One key component, chlorogenic acid, is a polyphenol found in many fruits and vegetables. Dawn Mackeen, New York Times, "Is Coffee Good for You?," 13 Feb. 2020 Like most colorful berries, camu camu is a good source of polyphenols. Julie Upton, Health.com, "The Health Benefits of Camu Camu, the Buzzy Superfood Popping Up Everywhere," 3 Oct. 2019 Hassell points out that part of the reason for wine's potential to boost health has to do with the natural phenol and polyphenol compounds found in wine. Michael Alberty | For The Oregonian/oregonlive, oregonlive, "Portland doctors offer the wine industry a moderate proposal when it comes to health," 29 Feb. 2020 The study also raises the possibility that the polyphenols in black tea could be deactivated during the fermentation process, and that black tea tends to be consumed with milk – possibly counteracting tea's health benefits. Joshua Bote, USA TODAY, "Drinking tea regularly may help you live longer and healthier, new study finds," 9 Jan. 2020 The beneficial foods include: fruit and vegetables (both high in inflammation-fighting polyphenols); omega-3 fatty acids; high-fiber foods; and foods high in zinc and magnesium. Washington Post, "Chronic inflammation is frightening. Here’s what you can do about it.," 29 Jan. 2020 Furthermore, studies on mice have shown that the polyphenols might even help slow down how the brain ages. Katie Jackson, USA TODAY, "Anti-aging resorts: 10 hotels and resorts promising to make travelers look (and feel) younger," 23 Dec. 2019 But, the fiber and fluid in grapes help support bowel regularity, and grape polyphenols work to positively transform gut bacteria in ways that benefit health. Cynthia Sass, Mph, Health.com, "7 Health Benefits of Grapes," 25 Oct. 2019 Flaxseed is high in potent antioxidants too Flaxseed is a top source of particularly health-protective antioxidants called polyphenols. Cynthia Sass, Mph, Health.com, "10 Health Benefits of Flaxseed, According to a Nutritionist," 22 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polyphenol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of polyphenol

1894, in the meaning defined above

History and Etymology for polyphenol

International Scientific Vocabulary

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Time Traveler for polyphenol

Time Traveler

The first known use of polyphenol was in 1894

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Statistics for polyphenol

Cite this Entry

“Polyphenol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyphenol. Accessed 18 Jan. 2021.

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More Definitions for polyphenol


poly·​phe·​nol | \ ˌpäl-i-ˈfē-ˌnōl, -ˌnȯl, -fi-ˈ How to pronounce polyphenol (audio) \

Medical Definition of polyphenol

: a polyhydroxy phenol especially : an antioxidant phytochemical (as chlorogenic acid) that tends to prevent or neutralize the damaging effects of free radicals

Other Words from polyphenol

polyphenolic \ -​fi-​ˈnō-​lik How to pronounce polyphenol (audio) , -​ˈnäl-​ik How to pronounce polyphenol (audio) \ adjective

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