Autoxidation of lipids is a chain raction of free radical.In the inducing stage,the inducers switching on free radical may be lipoxygenase or photoxidation,but the most is transitional metals.

脂类动氧化是由基连锁反应，期中启动由基剂可能是脂氧酶、光氧化，但多数为过渡金属离子。