Tyrosine

**Definition:** A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.

**Tree numbers:** - D12.125.072.050.875

**Synonyms:** - L-Tyrosine - para-Tyrosine - Tyrosine, L-isomer