If you keep hard-boiled eggs in their shells at room temperature, they will only keep for about two to three days at most in the high temperatures of summer. However, if they are kept at temperatures of up to 40 degrees, they will start to go bad in a day or two at the most.

If you put a cooked egg in its shell in the refrigerator, you can extend its shelf life, but it's best not to exceed one week, and you should eat it as soon as possible within that week. We all know that cooked eggs are easy to spoil and spoiled eggs have a foul odor. It is easy to breed some bacteria, attract some small insects or flies, eating is very unhygienic.

Precautions for cooking eggs

Many people like to wait until the water is completely boiled, and then put the eggs into the pot, but often use this method, the majority of the eggs will be broken.

In fact, if you want to cook out the shape of the egg is beautiful and complete, it is best to raw eggs and cold water together in the pot to cook, at the beginning of the time is the need to adjust the fire into a large fire, wait until after the boiling of the natural into a small fire slowly cook, so that boiled out of the egg will not appear shell broken.

The above content reference? Baidu encyclopedia-boiled eggs