Foods produced by microorganisms are called white food, white flour, white sugar, polished rice and white wine are all white foods. White foods are widely distributed in nature, except seafood, poultry and eggs, and lily, water bamboo, lotus root, white radish, bamboo shoots and garlic are among vegetables. Hericium erinaceus, chicken mushroom, hypsizygus marmoreus, fresh mushroom, Pleurotus ostreatus, tremella, bamboo steaming, etc. Litchi, ginkgo, lotus seeds, pears and almonds in fruits are all important white foods. In addition, such as pig skin, pig brain, tendon, sheep kidney, milk, bovine bone marrow, etc., can also be called white food. Benefits: clearing away heat and toxic materials, invigorating stomach and promoting digestion without accumulating fat.

Black food mainly refers to grain, oil, fruit, vegetables and fungus food containing melanin and black words. Commonly used black foods include: black rice, rye, purple rice, black Qiao Mai, black beans, black lobster sauce, black sesame, black fungus, black mushroom, laver, Nostoc flagelliforme, kelp, black mulberry, black dates, chestnuts, longan pulp, black grapes, black pine nuts, black-bone chicken, black sea cucumber, black ant dish and so on.

Black food has the following advantages:

First, it comes from nature and contains very few harmful ingredients;

Second, the nutrients are complete, with high quality and quantity;

Third, it can significantly reduce the incidence of serious diseases such as arteriosclerosis, coronary heart disease and stroke. In addition, each has its own unique disease prevention skills, such as black fungus to prevent urinary calculi, black-bone chicken to regulate women's menstruation and so on. You must not neglect them.

Modern medicine believes that "black food" is not only rich in nutrition, but also has many unique effects such as tonifying kidney, preventing aging, protecting health and prolonging life, preventing and treating diseases, blackening hair and beautifying face. A lot of research shows that the health care function of "black food" is not only related to its three nutrients, vitamins and trace elements, but also the melanin substances it contains have played a special positive role.

Food experts believe that black food not only gives people a simple, strong and strong appetite, but also has been proved by clinical practice that eating these foods regularly can regulate human physiological functions, stimulate endocrine system, promote saliva secretion, promote gastrointestinal digestion and enhance hematopoietic function, increase hemoglobin content, nourish skin, beautify hair and delay aging.