Excretion of the active principle of of Catha edulis (Miraa) in human urine.
d-Norpseudoephedrine, a central stimulant present in Catha edulis, is excreted unchanged in human urine. The alkaloid was detected in urine 30-50 min after ingestion of synthetic d-norpseudoephedrine, and trace amounts of the drug could still be detected 24 hr later. Approximately 40% of ingested d-norpseudoephedrine was recovered in urine in the first 6 hr.
D000470:Alkaloids / Q000652:urine*; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D006801:Humans; D006868:Hydrolysis; D010946:Plants, Medicinal; D013997:Time Factors
D000470:Alkaloids