White refers to the staple food rice, flour and miscellaneous grains, which provide food for people to eat and provide heat. More than 60% of the heat needed for human life activities is supplied by this kind of food.
Yellow represents that all kinds of beans are rich in protein and other elements, among which tofu and bean sprouts are the easiest.
Red means that livestock and poultry meat is rich in animal protein and fat, ranking behind fish, chicken, cattle, mutton and pork. According to the degree of benefit to human health. However, this kind of food contains more animal fat and should not be eaten more.
Green represents all kinds of fresh and fruits, and is a food that provides vitamins, cellulose, minerals and other nutrients needed by the human body. Dark green leafy vegetables are the best.
Black represents edible black animals and plants, such as black-bone chicken, soft-shelled turtle, kelp, black rice, black beans, black sesame seeds and various edible fungi. This kind of food contains the most vitamins and vitamins, and is rich in high-quality protein nutrients of animals and plants. If you are "colorful" on the dining table every day, you can achieve a balanced nutrition. In this way, malnutrition will not occur, and "modern civilization" such as hyperlipidemia will not be induced because of overnutrition.