1. Ly D, Kang K, Choi JY, Ishihara A, Back K, Lee SG: HPLC analysis of serotonin, tryptamine, tyramine, and the hydroxycinnamic acid amides of serotonin and tyramine in food vegetables. J Med Food. 2008 Jun;11(2):385-9. doi: 10.1089/jmf.2007.514. [PubMed:18598185]