Definition of hypericin in English:

hypericin

Line breaks: hy¦peri|cin
Pronunciation: /hʌɪˈpɛrɪsɪn
 
/

noun

[mass noun]
  • A substance found in St John’s wort, credited with chemical and pharmacological properties similar to those of antidepressants.
    • A polycyclic quinone; chemical formula: C30H14O8
    More example sentences
    • St.John's Wort contains hypericin, which inhibits monoamine oxidase, a chemical associated with depression.
    • The antitumor properties of St. John's wort are attributed to hypericin, which is a powerful photosensitizer.
    • Today, St. John's wort standardized to 0.3% hypericin easily outsells its pharmaceutical rival, Prozac, and its derivatives.

Origin

early 20th century: from hypericum + -in1.

More definitions of hypericin

Definition of hypericin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
noun
a small amount; a little