Tryptamine, N, N-dimethyltryptamine, N, N-dimethyl-5-hydroxytryptamine and 5-methoxytryptamine in human blood and urine

Abstract

TRYPTAMINE is a normal constituent of human urine 1–5; about 30–120 µg of the amine are excreted per 24 h. In blood, tryptamine has hitherto been demonstrated only qualitatively and under pathological conditions in a carcinoid patient 6. There is no information about an …