scientific research has proved that selenium, a trace element in food, is known as the king of anti-cancer. Regular consumption of selenium-enriched food can enhance human immunity and delay aging. Black eggs, fried in vegetable oil, are golden in color, rich in yolk, fragrant and tender, nutritious yolk is white and distinct, and the fragrance is long. And the free-range eggs you are talking about are ordinary grass eggs. 1. Grass eggs do not contain any synthetic antibiotics, hormones and pigments. Compared with ordinary eggs, the protein is thick, the protein content is increased by 5%-6%, the fat is reduced by 3%, and the cholesterol is reduced by 19.8%. 2. From a nutritional point of view, eggs contain protein, fat, lecithin, vitellin, vitamin A, vitamin A, vitamin A, vitamin C, vitamin C, vitamin C, vitamin C, vitamin C, vitamin C, vitamin C, They are easily absorbed by the human body, and the utilization rate of both egg white and egg yolk is above 95%, so eggs are ideal and easy to get every day, whether it is ordinary people, patients or children, pregnant women or the elderly. 3. Grass eggs are rich in nutrition and are important ingredients in women's beauty diet. An egg a day is not superfluous. If the blood cholesterol does not exceed the standard, there is no need to deliberately abandon the egg yolk. Eggs are the highest quality food in protein. Eggs contain high-quality protein with the highest physiological utilization rate in natural foods. Women's face, hair and skin need enough protein to maintain, and eggs are the simplest, most convenient and most balanced food in protein. In addition, egg yolk also contains a variety of B vitamins, vitamin A, vitamin D and vitamin E, and egg butter has anti-aging effect. 4. The Compendium of Materia Medica, an ancient Chinese medicine book, records that the egg is sweet and flat, which can calm the five internal organs and reassure the mind; It can prevent convulsion and prevent miscarriage, and has the functions of nourishing yin, strengthening spleen, tonifying lung, etc., and it can tonify dryness. If eaten often, it can eliminate illness and prolong life. It is most suitable for growing children, teenagers and pregnant women as a nutritional supplement.