catechin

noun

cat·​e·​chin ˈka-tə-ˌkin 

: a crystalline flavonoid compound C₁₅H₁₄O₆ or its derivatives having antioxidant properties and used in dyeing and tanning

Examples of catechin in a Sentence

Recent Examples on the Web

Green Tea Green tea contains high amounts of antioxidants called catechins. — Megan Nunn, Verywell Health, 24 June 2026

Green Tea Green tea contains catechins—plant compounds that may help improve insulin sensitivity. — Laura Schober, Health, 12 June 2026

Their research pinpointed the efficacy of antioxidant activity and studied the effects of catechins and resveratrol. — Celia Shatzman, Forbes.com, 3 June 2026

Word History

Etymology

International Scientific Vocabulary catechu + -in entry 1

First Known Use

1853, in the meaning defined above

Rhymes for catechin

• aneurin
• crystallin
• eosin
• mandolin
• porphyrin
• superfine
• underpin
• vietminh
• violin
• akin
• auxin
• buckskin

Medical Definition

catechin

noun

cat·​e·​chin ˈkat-ə-ˌkin 

: a crystalline compound C₁₅H₁₄O₆ that is related chemically to the flavones, is found in catechu, and is used in dyeing and tanning

also : a derivative of this compound