How much is a catty of black eggs? Black-bone eggs are rich in various trace elements. The content of organic calcium is six times that of ordinary eggs, and the cholesterol is one third of that of ordinary eggs. Black-bone eggs have dietotherapy and health care effects on promoting children's growth and development, enhancing memory, improving immunity, nourishing pregnant women, cardiovascular diseases and thyroid tumors in middle-aged and elderly people. What is the difference between black-bone eggs and ordinary eggs?

1, fake black-bone eggs are cooked and chewed in the mouth a bit like rubber, which not only has no egg flavor, but also has color stratification like petals.

2. Touching the shell of a fake black-bone egg with your hand will make you feel rougher than a real black-bone egg.

3. Smell it carefully with your nose. Real black-bone eggs will have a faint smell. The main components of fake black-bone eggs are chemicals such as resin, starch, coagulant and pigment. There is no smell, and egg yolk and egg white are very light.

4, gently tap, the sound of real black eggs is brittle, and the sound of fake black eggs is boring.

5. Soon after the fake black eggs are opened, the egg yolk and egg white will melt together, and the pot will be scattered. This is because egg yolk and egg white are made of homogeneous raw materials.

6. When frying fake eggs, you will find that the yolk will naturally disperse without stirring. This is because the film wrapped with artificial yolk is cracked by heat. Generally speaking, fried black eggs can give full play to the fragrance of black eggs more than boiled or soup, so if you want to know whether black eggs are true or false, it is better to fry one.