Many people like to eat preserved egg lean porridge and cold preserved eggs in their daily life. Proper consumption is really delicious, but if it is eaten in excess, it will do great harm to human body. Many people don't know that preserved eggs can also affect human health. Experts remind that it doesn't matter if you eat less eggs, but you can't eat too much. This is because the curing process of preserved eggs is very complicated, and they are usually wrapped with tea and lime mud, so it is inevitable to use a lot of catechol, tannic acid and sodium hydroxide in the production process, which will invade the protein of eggs.

Results protein decomposed and deteriorated. Therefore, not only the nutritional value of preserved eggs is seriously damaged, but also excessive intake of spoiled protein may lead to poisoning.

2. The harm of eating preserved eggs-lead poisoning

Preserved eggs are delicious, but they have little nutrition. In addition, preserved eggs also contain a lot of lead. If you eat too much in your daily life, it will lead to excessive lead intake and lead poisoning. So many people will choose some lead-free preserved eggs when buying preserved eggs. However, experts remind that lead-free preserved eggs also contain lead, but the lead content is relatively small. Therefore, adults can eat this preserved egg properly, but children should eat less.

When making preserved eggs, a lot of soda ash, lime, salt and Huang Dan powder should be used. These substances are mixed in a certain proportion, and the duck eggs are wrapped with mud and bran, and delicious preserved eggs are made in two weeks. Moreover, yellow lead powder is lead oxide, and preserved eggs will be contaminated by lead.

3. The harm of eating preserved eggs-affecting intellectual development

Traditional Chinese medicine in China pointed out that a child's body is "young yin and young yang", and its metabolism is usually very vigorous. Trace lead in some so-called "lead-free" eggs is easily absorbed by children. Once in children, it is easy to remain in tissues such as liver, lung, kidney, brain and red blood cells. In the long run, it will inevitably lead to the loss of calcium in teeth and bones, which will seriously affect the normal bone growth and tooth growth of children. In addition, lead in preserved eggs may also lead to the risk of dwarfism in children.

Preserved eggs are very unhealthy for children, and lead in them may also lead to children's developmental retardation, anorexia, gastroenteritis and other diseases, and may also affect children's intellectual development in severe cases.