tyramine

A colorless crystalline amine, C₈H₁₁NO, found in mistletoe, putrefied animal tissue, certain cheeses, and ergot and also produced synthetically, used in medicine as a sympathomimetic agent.

a phenolic amine, 4-hydroxy-phenethylamine, derived from the amino acid tyrosine, found in various foodstuffs and used as a sympathomimetic agent

amino acid derived from tyrosine; has a sympathomimetic action; found in chocolate and cola drinks and ripe cheese and beer