tyrosinase

[ tahy-roh-si-neys, -neyz, tir-oh- ]
/ ˈtaɪ roʊ sɪˌneɪs, -ˌneɪz, ˈtɪr oʊ- /

noun Biochemistry.

an oxidizing enzyme, occurring in plant and animal tissues, that catalyzes the aerobic oxidation of tyrosine into melanin and other pigments.

Origin of tyrosinase

First recorded in 1895–1900; tyrosine + -ase

British Dictionary definitions for tyrosinase

tyrosinase
/ (ˌtaɪrəʊsɪˈneɪz, ˌtɪrəʊ-) /

noun

an enzyme occurring in many organisms that is a catalyst in the conversion of tyrosine to the pigment melanin; inactivity of this enzyme results in albinism