Preserved eggs, also known as preserved eggs, preserved eggs, colored eggs, alkaline eggs or muddy eggs, are egg-shaped foods marinated with lime and other raw materials, and are named after pine needle-shaped crystals or patterns in protein. It is not only a traditional flavor egg product in China, but also a typical processed egg product, which has a special flavor and can stimulate appetite.
Skills of purchasing preserved eggs
1, the preserved egg is of good quality, the shell is dark blue, the shell should be completely covered with mud, and it has a pungent alkaline smell. If the mud falls off seriously or smells bad, it will be bad.
2. Hold the preserved egg in one hand and pat the back of the forefinger and middle finger with the other hand. It's a good elastic egg. If it's as hard as a stone, that's not good. You can also shake preserved eggs up and down. No sound is a good egg, and purring is a bad egg.
3. Finally, cut the yolk with a knife. Don't touch the knife or touch the blade slightly. The cross section of the yolk is smooth, which is a good preserved egg.
Refer to the above? Baidu encyclopedia-preserved eggs