Preserved eggs are yellow. Choose preserved eggs, you can use light perspective, most eggs are black or dark brown, and a few are yellow or reddish for high-quality eggs. Choose the one with gray skin, no black spots, no cracks and complete eggshells.

Put the preserved egg in the palm of your hand and weigh it gently. Great vibration means good quality. Shake preserved eggs by your ears. Good preserved eggs have no sound. Need to be reminded that to buy preserved eggs, you should choose preserved eggs with complete packaging and QS logo.

Extended data:

The following foods should not be eaten with preserved eggs:

The first thing to mention is vinegar. Being jealous all the year round is very good for your health, but eating preserved eggs will form a precipitate, which is not easy to digest and may lead to food poisoning.

The second thing to say is brown sugar. When brown sugar and preserved eggs are eaten together, chemical reactions will occur, which will generate ammonia compounds that are not conducive to the human body.

Then the tortoise. This is also one of the favorite nourishing foods of many Lingnan people. However, eating with preserved eggs will lead to a large loss of nutritional value of turtles, so special attention should be paid every day.

The last thing to say is eel. Eating them together will cause diarrhea, which may lead to food poisoning. You'd better be careful.

People's Network-Experts teach you that it is safest to pick preserved eggs with fewer spots.

? People's Network-Who must not eat preserved eggs? Eating too many preserved eggs will have these adverse reactions.