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

采用亚甲基蓝敏剂，研究了类胡萝卜素在豆、菜中脂敏用。

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.

脂类自动是一个自由基连锁反应，诱导期中启动自由基诱发剂可能是脂酶、，但多数为过渡金属离子。