许多人认为,我们所吃食物的营养成分是固定的。其实许多食物的营养成分会因为烹饪时的方法不正确而流失,所以要在烹调方法上讲究一点科学。洗菜、切菜。必须是先洗后切,随切随炒。如果没吃之前先把菜在水里泡得时间很长,蔬菜中的可溶性维生素和无机盐就会溶解于水中而损失掉。另外,还要注意切了就要及时下锅,不然,维生素易被空气氧化后不翼 Many people think that the nutritional content of the food we eat is fixed. In fact, many of the nutritional ingredients of foods will be lost due to improper cooking methods, so pay attention to the cooking method a little science. Wash vegetables, cut vegetables. Must be washed first cut, cut with the speculation. If you do not eat before the dish soaked in water for a long time, vegetables, soluble vitamins and inorganic salts will be dissolved in water and lost. In addition, we must pay attention to cut the pot in time, otherwise, the vitamin is easy to be oxidized after the air is not