Aromatic Amino Acids

Aromatic amino acids are amino acids that include an aromatic ring.

Examples include:

  • Among 20 standard amino acids:
    • phenylalanine
    • tryptophan
    • histidine
    • tyrosine
  • Others: thyroxine

Famous quotes containing the words aromatic and/or acids:

    “Die of a rose in aromatic pain?”
    —Alexander Pope (1688–1744)

    “The new American finds his challenge and his love in the traffic-choked streets, skies nested in smog, choking with the acids of industry, the screech of rubber and houses leashed in against one another while the townlets wither a time and die.”
    —John Steinbeck (1902–1968)