Methods to determine whether the eggs are bad are: direct observation method, shaking the eggs method, smell method, translucent method, peeling observation method.

1, observe the appearance

This is the simplest way to determine, only need to check the appearance of the eggs are damaged, moldy, etc., but this method is not very suitable for the mix put together the eggs.

2, shake the eggs

Expired eggs will have discoloration of the egg white, odor, and more spray bubbles, so there will be a very empty feeling inside when shaken.

3, smell eggs

Cutting an expired egg will see a black liquid flow, as well as a foul or moldy smell. Unexpired egg whites do not stick to the shell, and the skin is clean and flexible. The yolk is light brown or yellowish when cut lengthwise.

4, light judgment

The eggs will be observed through the light, observe the color, state and size of the eggs. An expired egg will not solidify, is melted, and will have a large odor.

5, peeled to see

Quality eggs peeled should be dark brown, transparent, with a certain hardness. Expired skin eggs are light green, low hardness, easy to separate. This kind of skin egg is not edible.