Indeed, dark-colored vegetables hold higher nutritional value than their lighter counterparts. Rich in beta-carotene, they also contain abundant phytochemicals such as chlorophyll, lutein, lycopene, and anthocyanins. These compounds play vital roles in human antioxidant defense against aging, maintaining immune function, and preventing chronic diseases.
Moreover, some dark-colored vegetables can stimulate appetite. Therefore, the Chinese Nutrition Society recommends that dark-colored vegetables should constitute over half of your daily vegetable intake.
Dark-colored vegetables refer to those that are deep green, red, orange-red, or purple-red. Rich in carotenoids, especially beta-carotene, they serve as the primary source of vitamin A for Chinese residents.Additionally, dark-colored vegetables contain various pigments such as chlorophyll, lutein, lycopene, and anthocyanins, along with aromatic compounds. These elements impart distinctive colors, flavors, and aromas to the vegetables, stimulating appetite and exhibiting specific physiological activities. Common dark green vegetables include: spinach, Chinese cabbage, winter mustard greens, celery leaves, water spinach (kangkong),lettuce leaves, mustard greens, broccoli, watercress, scallions, chrysanthemum greens, leeks, and radish tops. Common red and orange vegetables: tomatoes, carrots, pumpkin, red peppers, etc. Common purple-red vegetables: red amaranth, purple cabbage, shepherd's purse, etc.