科学证明 ,亚硝酸胺一类物质具有强致癌力 ,而当亚硝酸盐遇到两倍的Ｃ种维生素时 ,就不能在人体内与胺化合成亚硝酸胺了。在许多蔬菜和水果中 ,都含有丰富的Ｃ种维生素。要防癌就应避免Ｃ种维生素在烹制过程中的损失 ,还要防止吃含有亚硝酸胺的食品。在烹调中应当注意以下几点 It has been scientifically proven that nitrosamine, a class of substances, has strong carcinogenicity and that when nitrite encounters twice as much C-type vitamins, it can not synthesize nitrite with amination in the human body. Many vegetables and fruits are rich in C vitamins. To prevent cancer should avoid the loss of C vitamins in the cooking process, but also to prevent eating foods containing nitrite amine. In the cooking should pay attention to the following points