深色蔬菜的营养更丰富。深色蔬菜是指深绿色、红色、橙红色、紫红色的蔬菜。中国营养学会推荐,每天应该吃一斤蔬菜,其中深色蔬菜应占到一半以上。为什么强调要保证一定量的深色蔬菜呢?不同品种的蔬菜间,营养成分不完全相同,但是同种蔬菜中,深色品种的营养更好。比如西兰花中的β胡萝卜素含 Dark vegetables are more nutritious. Dark vegetables are dark green, red, orange-red, purple vegetables. Chinese Nutrition Society recommended, should eat a pound of vegetables a day, of which more than half of dark vegetables should be accounted for. Why emphasize to ensure a certain amount of dark-colored vegetables? Different varieties of vegetables, nutrients are not exactly the same, but the same type of vegetables, dark-colored varieties of nutrition better. Such as broccoli in the β-carotene containing