The activity of SOD in hepatocytes and cell culture solution was determined by xanthine oxidase assay, and measured the git-up of GSH-Px and changes of H2O2 in cell culture solution.

• 用黄嘌呤氧化酶法检测对氨基苯胂酸对肝细胞内和细胞培养液中的SOD活性的影响，同时分别测定细胞中GSH-Px活性和细胞培养液中H_2O_2的变化；