"Five colors" food is a new concept of health preservation. The so-called "five colors" refer to five kinds of food: white, yellow, red, green and black. To be specific, each food has a specific nutrient content, and its nutritive value is different. In the theory of the five elements of traditional Chinese medicine, the organs of the human body are mainly "five organs", that is liver, heart, spleen, lung and kidney. On the other hand, it is divided into five types according to the taste and color of food, which corresponds to the five organs of the human body. The five colors of food have their own flavor, which...