Tea eggs to be soaked for a long time without spoiling, they will be boiled again and again in the pot. However, the eggs cooked in this way are not conducive to good health.

The boiling time is prolonged, eggs rich in vitamin E, a small amount of DHA and unsaturated fatty acids and other nutrients are easy to be oxidized, fat oxidation produces free radicals.

The boiling time is further extended, the nutrients in the egg is not only oxidized, but also easy to produce black film that is ferrous sulfide - some of the sulfur-containing proteins in the egg and the egg of iron reaction, which produces additional hazards such as impeding the absorption of iron, and in severe cases will also lead to stones, affecting the growth and development of children.

Boiled eggs time is not too long, eggs in the anti-nutrients, salmonella can not yet be completely removed. The prolongation of the cooking time of the egg, the protein just coagulated, salmonella, anti-nutrients are removed, that is, the yolk slightly solidified loose eggs is a healthy way to eat.

The appropriate time to cook an egg is 3 to 5 minutes in the boiling state, the specific time used is related to the size of the egg. Alternatively, eggs cooked in an egg cooker are cooked for the right amount of time.

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