Methods The MDA SOD and TAOC were determined and the value of TAOC / MDA was measured in 60 cases of senile cases and 30 young cases by thiobarbiturates autoxidation of pyrogallol and Fe 3 + / Fe 2 + chemical methods .

方法分别用 硫代 巴比妥 法、邻苯三酚自氧化 法和Fe3+/Fe2+化学法对60例老年人及30例青年人血中MDA、SOD、TAOC进行测定并计算 TAOC/MDA比值。