tyrosinase

 
Pronunciation: /ˈtʌɪrəsɪneɪz, tʌɪˈrɒs-/

noun

[mass noun] Biochemistry
  • a copper-containing enzyme which catalyses the formation of quinones from phenols and polyphenols (e.g. melanin from tyrosine).

Origin:

late 19th century: from tyrosine + -ase