烹调的方法不妥，不但破坏食物的营养素，还可致癌。烹调食物时应注意“八不宜”。1、煮饭时间不宜过久，不宜熬糊或烘焦锅底饭。据有关人主测定，锅底烧焦的饭锅巴合有致癌物质。二、油炸食物不宜过久或反复煎炸至焦。这种烹调法不仅破坏了绝大部分营养素，而且经过高温作用会 Improper cooking methods, not only destroy the nutrients of food, but also cause cancer. When cooking food should pay attention to “eight should not.” 1, cooking time should not be too long, should not boil paste or baked pot bottom rice. According to the determination of the owner, the bottom of the charred rice cooker Pakistani carcinogens. Second, the fried food should not be too long or repeated frying to coke. This cooking method not only destroyed most of the nutrients, and after high temperature will be