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.

脂类的自动氧是一个自由基连锁反，期中启动自由基的剂可能是脂氧酶、光氧，数为过渡金属离子。

Antioxidative effect of carotenoids on the methylene blue sensitized photoxidation of soybean oil and rapeseed oil was investigated.

采用亚甲基蓝作光敏剂，研究了类胡萝卜素在豆油、菜油中的抗油脂光敏氧作用。