Effect of Trolox on CYP1A1, CYP 2B1 and 2E1 protein expression after hepatic ischemia and reperfusion. Values are means±s.e.m. for 7–10 rats per group. *,**Significantly different (P<0.05, P<0.01) from controls. +,++Significantly different (P<0.05, P<0.01) from ischemia/reperfusion. C, control; I/R, ischemia/reperfusion; T, Trolox.