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

Research suggests that the polyphenols in raisins might also help lower blood pressure. —Lauren O'Connor, Ms, Health, 29 Sep. 2024

There’s also a variety of different phytochemicals (a.k.a. plant chemicals) that play a role here, including polyphenols, Dr. Rossi adds. —Erica Sloan, SELF, 4 Sep. 2024

The spice contains particular types of antioxidants called polyphenols, which may support heart health. —Julie Marks, Verywell Health, 6 Sep. 2024

This means matcha is significantly higher in catechins – polyphenols that have potent antioxidant properties and can help protect cells from free radicals while reducing inflammation in the body. —Irenie Forshaw, The Week Uk, theweek, 5 Aug. 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