For black-bone eggs and selenium-enriched nutritional eggs, the selenium content of black-bone eggs is 274.2 μ g per100g, which is 20 times higher than that of ordinary eggs, and the protein content is 13.4g, which is 8.2% higher than that of ordinary eggs, while the cholesterol is only 129.5mg and the fat is 2.8mg, which is 8/kloc lower than that of ordinary eggs.

Scientific research has proved that selenium, a trace element in food, is known as the king of anti-cancer. Regular consumption of selenium-enriched foods can enhance human immunity and delay aging. Black eggs, fried in vegetable oil, are golden in color, rich in yolk, fragrant and tender, and the nutritious yolk is white and distinct, with a long fragrance.

And the free-range eggs you said are ordinary grass eggs.

1. Grass eggs do not contain any synthetic antibiotics, hormones and pigments. Compared with ordinary eggs, protein is thicker, with protein content increased by 5%-6%, fat decreased by 3% and cholesterol decreased by 19.8%. Delicious, tender and tasteless.

2. From the point of view of nutrition, eggs contain protein, fat, lecithin, vitellin, vitamins A, D and B, and trace elements beneficial to human body such as iron, calcium, phosphorus, potassium and selenium. They are easily absorbed by the human body. Whether it is egg white or egg yolk, the utilization rate of human body is above 95%. Therefore, no matter ordinary people, patients or children, pregnant women and the elderly, eggs are ideal and easy to get every day.

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 most abundant food in protein. Eggs contain high-quality protein with the highest physiological utilization rate among 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. According to Compendium of Materia Medica, an ancient Chinese medicine book, eggs are sweet and flat, which can calm the five internal organs and calm the nerves. It can stop convulsion and prevent miscarriage, and has the effects of nourishing yin, strengthening spleen and tonifying lung. , but also dry. If eaten regularly, it can eliminate illness and prolong life. It is most suitable for growing children, teenagers and pregnant women as nutritional supplements.