1,3,7-Trimethyluric acid, also referred to as trimethyluric acid and 8-oxy-caffeine, is a purine alkaloid that is produced in some plants and occurs as a minor metabolite of caffeine in humans.[1] The enzymes that metabolize caffeine into 1,3,7-trimethyluric acid in humans include CYP1A2, CYP2E1, CYP2C8, CYP2C9, and CYP3A4.[2]
References
^"1,3,7-trimethyluric acid". PubChem Compound. National Center for Biotechnology Information. Retrieved 10 August 2014.
^"Caffeine: Pharmacology". DrugBank. University of Alberta. 16 September 2013. Retrieved 8 August 2014.