Purple sweet potato, purple sweet potato, purple corn, purple lentil-now you will find that more and more purple food has come to us. These "red and purple" foods are not only beautiful in appearance. According to nutrition experts, purple is the most lacking color on the dining table in China, and this kind of food contains super anti-aging ingredients.

Purple food can be put on a romantic purple coat because it is rich in a natural pigment-anthocyanin. According to nutrition experts, anthocyanin belongs to flavonoids, and its antioxidant capacity is equivalent to that of vitamin C and vitamin E, which can effectively remove free radicals of harmful substances in the body, help the human body to resist oxidation and delay aging.

In addition, purple food is also rich in trace element selenium, which is closely related to human health. Selenium not only has a strong antioxidant effect, but also can effectively improve human immunity, and selenium has a remarkable effect on cancer prevention.

The nutrition of vegetables and fruits, especially the contents of vitamins and antioxidants, increases with the deepening of color. The darker the color, the higher the nutritional content of the same variety of food. For example, the same eggplant, "purple to black" is better than "red to purple", and the same sweet potato, purple sweet potato is more nutritious than red sweet potato.