The difference between native eggs and foreign eggs: Look at the eggshell.
The earth eggs are slightly smaller and lighter in color, and the fresher ones have a thin white film; Its eggshell is tough and thick, with high calcium content, not as brittle and thin as foreign eggshells. And foreign egg shells are dark in color.
The difference between native eggs and foreign eggs: look at the yolk.
The egg white of earth eggs is clear and sticky, slightly bluish yellow; The yolk is golden in color, floating on the egg white, not sinking, and a toothpick inserted in the middle of the yolk can stand upright; Its eggshell is tough and thick, with high calcium content, not as brittle and thin as foreign eggshells. In addition, the yolk laid by chickens with pigments in the feed is red, which is often sold as native eggs. Although they are similar, they can still be distinguished: first, the eggshell of the former is rough; The eggshell of earth eggs is more delicate and hard.
The difference between native eggs and foreign eggs: taste.
Real earth eggs, even boiled eggs, are delicious.
The difference between native eggs and foreign eggs: compared with the head
Although the earth egg is small, the yolk is not smaller than the foreign egg.
Foreign eggs are big, and the egg white is full of water, which can be seen when frying eggs, and the oil pan rattles.
The difference between native eggs and foreign eggs: more flexible than.
Peel the cooked egg and knead it in your hand. Even if it is flattened, the egg will not crack, and it is still a complete egg.
The difference between native eggs and foreign eggs: the sense of light
If the surface of the eggshell is very bright, it means that it has been stored for a long time, and the surface of the fresh egg eggshell has a strong three-dimensional effect; Pick up the egg and shake it in your ear. If there is noise, it indicates that it is not fresh. Put the egg in a dark place, and shine a small flashlight at the larger end of the egg. The smaller the air chamber (that is, the gap inside the egg), the fresher it is.