SEARCH Articles Figures Tables Amino aromatic Aromatic Amino Acids Absorb Light in the Near-Ultraviolet Aromatic amino acids Biosynthesis of the Aromatic Amino Acids Evidence on the Pathways of Aromatic Amino Acid Biosynthesis Hydroxylation of the aromatic amino acids Is a Common Precursor of the Aromatic Amino Acid Family Natural Products Probably Related to the Aromatic Amino Acids The Amino Acids The Role of Tetrahydrobiopterin in Aromatic Amino Acid Hydroxylases