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1969年McCord及Fridovich由牛细胞纯化超氧化物岐化酶(Superoxide dismutase EC. 1. 15. 1. 1),简称SOD。SOD的生物学作用在于保护机体、细胞免受超氧自由基(O_2~-)的毒害:
In 1969, McCord and Fridovich purified superoxide dismutase EC. 1. 15.1.1 from bovine cells, abbreviated as SOD. The biological role of SOD is to protect the body and cells from superoxide free radical (O 2 -) poisoning: