"3-point egg", the egg white is cooked and soft, and the yolk is just cooked and slightly cooked. "5-point egg", the egg white is cooked and tender, and the yolk is cooked but not hard.

According to nutritionists, eggs cooked at different times take different time to digest in the human body. "3-minute egg" is a lightly cooked egg, which is the easiest to digest and takes about 1 hour for 30 minutes. "5 minutes" eggs are half-cooked, and the digestion time in human body is about 2 hours; Eggs boiled for too long take 3 hours to digest in the human body.

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Tips for boiling eggs:

Soak in water. Before boiling eggs, it is best to soak the eggs in cold water for a while, and the water must not touch the eggs, otherwise the protein will not solidify easily, which will affect digestion. Soak the eggs in cold water for a while to reduce the air pressure in the eggs; Then put it in a cold water pot to cook, so that the eggshell is not easy to break. Of course, this is just one of the ways to keep the egg intact.

Firepower If you use fire when cooking eggs, it is easy to cause the air in the eggshell to expand rapidly, resulting in the eggshell bursting; If you use a small fire, it will prolong the time of boiling eggs, and it is not easy to grasp the tenderness of eggs. Practice has proved that medium fire is most suitable for boiling eggs.

Don't boil eggs in boiling water. First of all, boiling water will make the eggs roll around in the pot, which will easily break the eggshell and even expose protein. Secondly, protein in eggs does not need high temperature, which is generally 60℃-87℃, while the temperature of boiled water can reach 100℃. If boiled in boiling water, protein may be as old as an eraser. Therefore, when cooking eggs, open the lid and let the water bubble slightly instead of boiling.

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