Definition of catechin in English:


Pronunciation /ˈkadəˌ(t)SHən/ /ˈkædəˌ(t)ʃən/


  • A crystalline compound which is the major constituent of catechu.

    A phenol; chemical formula: C₁₅H₁₄O₆; several isomers

    ‘Apples are rich in plant compounds called flavonoids including catechin and quercetin.’
    • ‘One could conclude that foods rich in longer-chain catechin oligomers are most likely to provide bioavailable catechin.’
    • ‘Other nutrients important for gum health include vitamin A, zinc, vitamin E, selenium, and flavonoids such as quercetin, catechin, anthocyanidins and proanthocyanidins.’
    • ‘Black Catechu, a component of SJS, was found to have polyphenol components such as catechin which has strong scavenging effects on oxygen radicals.’
    • ‘Green tea contains compounds called catechins, including epigallocatechin gallate - the main catechin responsible for the tea's thermogenic and antioxidant properties.’


Mid 19th century from catechu+ -in.