the metabolites of 5-hydroxytryptamine ( 5-ht , serotonin ) namely , l-tryptophan , 5-hydroxytryptophan , 5-hydroxyindole acetic acid and 5-hydroxytryptophol were measured in perfused tissue and whole worms from adult female ascaris suum using reversed-phase liquid chromatography with electrochemical detection .
C0041249
l-tryptophan
C0000578
5-hydroxytryptophan