Urinary metabolites of caffeine in the premature infant.
Caffeine metabolites in urine from premature infants were analysed by TLC and HPLC. Caffeine, dimethyluric acids, mono- and dimethylxanthines and, for the first time, a uracil derivative (6-amino-5-[N-methylformylamino]-1,3-dimethyluracil) were identified.
D001711:Biotransformation; D002110:Caffeine / Q000652:urine*; D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000652:urine*; D008297:Male
D002110:Caffeine