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

1.采亚甲基蓝作敏剂，研究了胡萝卜素在豆、的抗敏氧化作。

2.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.

2.的自动氧化是一个自由基连锁反应，诱导期启动自由基的诱发剂可能是氧酶、氧化，但多数为过渡金属离子。