papain(redirected from papayotin)
Also found in: Thesaurus, Medical, Encyclopedia.
An enzyme obtained from the unripe fruit of the papaya that catalyzes the lysis of proteins, used especially as a meat tenderizer and digestive aid and formerly in medicine as a topical treatment for wounds.
(Biochemistry) a proteolytic enzyme occurring in the unripe fruit of the papaya tree, Carica papaya: used as a meat tenderizer and in medicine as an aid to protein digestion
[C19: from papaya]