Groups GST (U/mg prot) Total SOD (U/mg prot) Cu-ZnSOD (U/mg prot) MnSOD (U/mg prot) Control groups 36.42±3.69 317.95±19.32 281.92±24.52 41.42±9.35 1 d 32.81±4.63 302.06± 35.03 261.51±27.16 40.55±11.34 3 d 39.94±8.63 287.24±32.33 246.82±23.62 33.82±12.52 5 d 23.26±4.55* 272.63±22.43* 247.94±13.05 38.08±7.38 7 d 25.97±6.46* 276.14±20.90* 261.86±16.84 24.75±10.57 2 w 24.03±7.19* 271.00±27.43* 242.53±21.48* 31.05± 8.65 3 w 34.08±6.07 307.48±19.72 253.49±25.13 41.32±11.69 4 w 36.64±4.58 302.07±24.94 277.11±18.87# 28.57±12.58 F 3.365 3.769 3.499 1.312 P 0.005 0.002 0.004 0.262

Table 2:Comparison of GST and SOD activities in the mouse liver tissues in different groups (±s, n=8).