人们在一日三餐的烹调过程中,有许多不良习惯会造成食物中的大部分营养流失。青菜先切后洗:在洗切新鲜蔬菜时,有人往往先切后清洗,殊不知青菜中的维生素大都能溶于水,若将菜切了再洗,大量的维生素就流失到水中。反复加热:有人为省时间,一次炒的菜较多,剩下的菜下顿再热着吃。这样,蔬菜中的维生素会大量损失。剩菜还会产生致癌的亚硝酸盐。烧菜时煮得过久:青菜中的 There are many unhealthy habits that people suffer from most of the nutrient loss in their food during the three meals a day. Wash vegetables before cutting: When washing fresh vegetables, it is often first cut after cleaning, I do not know most of the vitamins in vegetables soluble in water, if the vegetables cut and then wash, a lot of vitamins lost to the water. Repeated heating: Someone to save time, a dish more fried, eat the rest of the meal next Dayton hot. In this way, vitamins in vegetables will be a lot of loss. Leftovers will also produce carcinogenic nitrite. Cooked too long when cooking: vegetables