| abstract |
A method for inhibiting xanthine oxidase and for reducing uric acid levels using a beta-carboline alkaloid compound of formula (I), wherein R 1 is selected from the group consisting of a carboxyl group, a carboxylate group, a carboxamide group and hydrogen, and R 2 is selected from the group consisting of —CH 2 COOCH 3 , a methoxy group, hydrogen and a methyl group. Also disclosed is a method for monitoring xanthine oxidase inhibiting activity level. |