Should you boil eggs in cold water or hot water?

Cook the eggs in cold water so that the shells are less likely to crack. Eggs with a small fire boil, and then switch to warm fire can be cooked for 8 minutes. Do not boil for too long, otherwise the ferrous ions in the yolk will have a chemical reaction with the sulfur ions, forming a brown precipitate of ferrous sulfide, thus preventing the body from absorbing iron.

Nutritional value

1. Eggs are rich in protein, fat, vitamins and iron, calcium, potassium and other minerals that the human body needs, protein for high-quality proteins, liver tissue damage has a restorative effect;

2. Rich in DHA and lecithin, yolk pigment, on the nervous system and the body's development is beneficial to the brain and brain, improve memory, and to promote liver cell regeneration;

2. Regeneration;

3. Eggs contain more vitamin B and other trace elements, which can decompose and oxidize carcinogenic substances in the body, with anti-cancer effects.

Eating efficacy

1, brain-boosting puzzle: eggs have a great effect on the nervous system and physical development, which contains choline can improve the memory of all age groups.

2, to protect the liver: egg protein in the liver tissue damage has a repair effect, the yolk of the lecithin can promote the regeneration of liver cells. It can also increase the amount of plasma protein in the human body and enhance the metabolic function and immune function of the muscle.

3, delay aging: many of the longevity of the elderly one of the experience of prolonging life, is to eat an egg every day.

4, cancer prevention: According to the analysis of the world's human cancer mortality rate, it was found that the mortality rate of cancer and selenium intake is inversely proportional. And eggs are rich in selenium.