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细胞利用氧时产生有高度反应性的自由基产物,未控制的自由基反应可引起细胞结构和功能的损伤。保护机体免受自由基损伤的抗氧化防御涉及超氧化物歧化酶、过氧化
When cells use oxygen to produce highly reactive free radical products, uncontrolled free radical reactions can cause cell structure and function damage. Antioxidant defense that protects the body from free radical damage involves superoxide dismutase,