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1 自由基的基本概念自由基 (ｆｒｅｅｒａｄｉｃａｌ)是指外层轨道上有 1个或 1个以上未配对电子的分子、原子、离子等。人体内的自由基主要指氧自由基 (ｏｘｙｇｅｎｆｒｅｅｒａｄｉｃａｌ,ＯＦＲ)。早在 1931年Ｈａｂｅｒ和Ｗｉｌｌｓａｔｔｒ就假设存在超氧自由基 (ｓｕｐ
1 free radical basic concept Free radical (freeradical) refers to the outer orbit with one or more unpaired electrons of molecules, atoms, ions and so on. Free radicals in the body mainly refers to oxygen free radicals (oxygenfreeradical, OFR). As early as 1931 Haber and Willsattr assumed the existence of superoxide radicals (sup