Eggs boiled for too long should not be eaten. If it is more than 10 minutes, a series of chemical changes will occur inside the egg, and it is not easy for the child to eat it and contact the protein digestive enzymes in the gastric juice. Therefore it is difficult to be digested and absorbed. Moreover, eggs cooked for a long time will lose nutrients and produce iron sulfide, which is not easily absorbed by the body. If the gastrointestinal digestive function is weak children eat, it will be easy to form indigestion, and even stomach pain.

Children are best not to boil eggs too long, eggs in the glaucon and yolk of ferrous ions. In the high temperature environment will be a chemical reaction, the formation of ferrous sulfide, small children eat it will be easy to cause indigestion, so the best time to cook eggs in about three minutes, the most easy to eliminate and absorb.