The activities of GSH Px in blood and tissues were measured. The activities of blood GSH Px of high dose group were significantly lower than that of the controls.

• 经气管灌注法对大鼠染毒 ,测定全血和组织中GSH PxR的活力 ,结果表明在高剂量组全血GSH -Px活力显著低于对照组。