boiled eggs with shells can be eaten on the third day if they are properly stored. It is recommended to keep it in the refrigerator after eating and heat it up when eating again.

How many days can an egg be stored when it is cooked:

1. Eggs cooked at room temperature: Under the condition of very smooth air, the cooked eggs can be stored for 3 days at room temperature, and if the room temperature is above 3 degrees Celsius and the air circulation is not smooth, they can only be stored for one day.

2. Boiled eggs should be refrigerated: they can be kept in the refrigerator for about 2 days.

3. chilled raw eggs: the temperature of the refrigerator is 2 ~ 5 C. At this temperature, raw eggs can usually be stored for one month.

4. lay eggs at room temperature: eggs in winter cannot be stored for a long time. Eggs can be stored at room temperature for about 15 days in winter and 1 days in summer.

How to choose a good egg:

1. Smell the fragrance: breathe gently into the eggshell with your mouth and smell it with your nose. High-quality fresh eggs with a slight flavor of quicklime.

Eggs can be stored for a few days after being cooked

2. Appearance: Fresh eggshells have rough surfaces and frosty powder layers on them, while eggshells that have been stored for a long time look smooth and bright, and have been caught in the rain or stored in a humid environment, and the moldy eggshells have gray spots on their surfaces; The rotten eggshell is black and oily.

3. Swing: Put the egg between two fingers and shake it around your ears. The sound of fresh eggs is low and solid, the eggshell is not shaking, the rotten eggs are noisy, the eggs with large bears are hollow when they are shaken, and the broken eggs will creak.

4. Float: Soak the eggs in cold water. If the eggs are placed horizontally, it means they are very fresh. If the egg is tilted, it has been preserved for at least 3-5 days. If standing upright in water, it can be preserved for about 1 days.

Vitamins b2, zinc and selenium contained in eggs can decompose carcinogens in human body and play a role in preventing cancer. Lecithin in egg yolk can promote the regeneration of liver cells, thus playing a role in protecting the liver. protein, calcium, phosphorus, iron and vitamins in eggs are high in content, which are used to nourish the body. Lecithin and vitellin in eggs can play a role in strengthening the brain and improving intelligence.