1, shape:?
Black eggs are generally smaller than ordinary eggs, and many eggshells of black eggs are green, and of course some are white or brown. The shell color of ordinary eggs is mostly khaki and pale white.
2. The yolk is different:
The yolk of black eggs is bigger than ordinary eggs, and the egg white is more viscous than ordinary eggs.
3. Different nutritional values
Black eggs are rich in organic calcium, which is five times more than ordinary eggs. At the same time, the phospholipids and vitamin b2 of black-bone eggs are also higher than those of ordinary eggs. Black-bone eggs contain 274.2μg selenium per 100g, 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, which is one third of that of ordinary eggs, and the fat is 2.8mg, which is 8/kloc-0 lower than that of ordinary eggs. Moreover, the eggs are rich in vitamins A, E, C and carotene, and do not contain any antibiotic drug residues. Trace elements such as zinc, selenium, iodine and calcium which are beneficial to human health are higher than those of ordinary eggs. Therefore, black eggs have higher nutritional value than ordinary eggs and are more suitable for medicated diet health care.
4. Price
According to insiders, the price of real black eggs is about 2-3 times higher than that of ordinary eggs. The business value of black eggs is higher than that of ordinary eggs, and the price is more expensive than that of ordinary eggs because of the low yield. In addition to white and red shells, there is also a greenish eggshell, which is not available in ordinary eggs.
It is appropriate to eat a few black eggs a day: 1-2.
Black-bone eggs mainly contain protein, cholesterol, vitamins and minerals, etc., which have high nutritional value. However, if eaten too much, it will easily lead to overnutrition and increase the digestive burden. Black-bone eggs are small, generally between 30 and 50 grams, so it is recommended to eat 1-2 eggs a day, which can meet the nutritional needs and will not lead to indigestion.