Author's Organization：Faculty of Pharmaceutical Sciences, University of Tokyo Faculty of Pharmaceutical Sciences, University of Tokyo Faculty of Pharmaceutical Sciences, University of Tokyo:(Present address)National Institute of Radiological Sciences
The metabolic fate of 1-hydroxy-and 2-hydroxyanthraquinone in rat has been elucidated. Both the compounds were mainly hydroxylated to alizarin. Appearance of two or more hydroxylated anthraquinones was not detected. The urinary and fecal metabolites were determined directly by a densitometer.
