polyphenol

noun

poly·​phe·​nol ˌpä-lē-ˈfē-ˌnōl 

-fi-ˈnōl

: a polyhydroxy phenol

especially : an antioxidant phytochemical

polyphenolic

ˌpä-lē-fi-ˈnō-lik  -ˈnä- 

adjective

Examples of polyphenol in a Sentence

Recent Examples on the Web

Here’s the kicker: Caudalie founder Mathilde Thomas discovered that the vineyard’s leftover grapes and stalks – which remained after distilling, and which were typically thrown out and wasted – contain powerful polyphenols, a facial anti-aging, antioxidant compound found in grapes and grapevines. —Debbi Kickham, Forbes, 2 Nov. 2024

While varieties such as Twix, Three Musketeers and Milky Way contain only a small amount of chocolate, pure chocolate bars – especially dark chocolate – are rich in fiber and polyphenols. —Christopher Damman, The Conversation, 23 Oct. 2024

Consult your healthcare provider before consuming polyphenol supplements.1 Potential Risks and Side Effects Taking high doses of polyphenol supplements can potentially cause iron-deficiency anemia since polyphenols can bind to iron and decrease its absorption. —Isabel Vasquez Rd Ldn, Health, 6 Oct. 2024

Red wine vinegar has more polyphenols than other fruit vinegars, with antioxidant effects that may counter depression, wrote the study’s authors. —Matt Fuchs, TIME, 16 Oct. 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

1894, in the meaning defined above

Medical Definition

polyphenol

noun

poly·​phe·​nol ˌpäl-i-ˈfē-ˌnōl, -ˌnȯl, -fi-ˈ 

: a polyhydroxy phenol

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

polyphenolic

-fi-ˈnō-lik  -ˈnäl-ik 

adjective