The intracellular SOD, GSH-px, MDA, ROS, T-AOC, and A-ASC were measured by biochemical methods.

• 酶生化法测定胞浆超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GSH-px)、活性氧(ROS)、丙二醛(MDA)含量以及细胞抗超氧阴离子能力(A-SAC)、总抗氧化能力(T-AOC)；