The maximum shelf life of leather eggs is 6 months.

Leathered eggs, also known as loose eggs, changed eggs, etc., for the Chinese Han people invented the egg processed food, is a kind of Chinese unique food, with a special flavor. They have a shelf life of up to 6 months in winter when temperatures are low.

The finished fluffy egg, the egg shell is easy to peel and not sticky, the egg white is translucent brown solidified, the surface of the egg white has a pine-branch pattern, the yolk is a dark green solidified, some have a sugar heart. After cutting the egg colorful. It is cool and refreshing to eat, fragrant but not greasy, with delicious flavor. In daily life, eggs can be directly dipped in condiments to eat, such as soy sauce, soy sauce paste, chili sauce and so on. Also can be made into a variety of dishes, such as skin egg tofu, sweet and sour skin egg, three-color egg, skin egg congee, jade skin egg soup, and so on.

Selecting and buying eggs

1, a paw

is to put the eggs in the palm of the hand gently pawed, the quality of good loose eggs trembling big, no trembling eggs of poor quality.

2, two shaking

Take the eggs by hand, put it next to the ear shaking, good quality eggs without sound, poor quality is sound; and the louder the quality of the worse, or even bad eggs or rotten eggs.

3, look at the shell

that is, peel off the loose eggs attached to the mud, look at the shell, to the shell intact, gray-white, no black spots for the best; if the cracked eggs, in the process of processing is often possible to infiltrate too much alkali, thus affecting the flavor of the protein.

4, tasting

Sponge eggs if the pickled qualified, the egg white is obviously more elastic, tea-brown and pine branch pattern, the yolk peripheral black-green or blue-black, the center of the orange-red. Such a loose eggs cut, the egg section color diversity, with color, aroma, taste and shape are excellent.

Reference: Dr. Yurai - how long can you keep the eggs