Are preserved eggs healthy?

Preserved eggs, also known as preserved eggs, are flavor egg products made of duck eggs as the main raw materials. They are rich in nutrition, not greasy after long-term consumption, can stimulate appetite and have certain medicinal value. Can be used for treating sore throat, hoarseness, constipation, fever, hangover, and diarrhea. Preserved egg is an alkaline food, which is rich in iron, methionine, vitamin E and many minerals. Its disadvantage is that it is not easily absorbed by protein after alkali denaturation. Preserved eggs should not be eaten with turtles, plums and brown sugar. Preserved eggs also contain lead, so it's best to eat less and don't keep them in the refrigerator.