If the egg is not fully cooked, the immature yolk will be eaten overnight. In the case of improper preservation, nutritious things can easily breed bacteria and are harmful to the body, such as gastrointestinal discomfort and flatulence.

However, if the egg is mature, it can be kept for 48 hours if it is properly sealed at low temperature (usually refrigeration temperature). Only after the first boiled egg is cooked, it is no problem to cook it overnight.

Extended data:

Nutritional value of eggs

1, protein: Eggs are rich in high-quality protein. Every 100g egg contains protein 13g, and the protein of two eggs is roughly equivalent to the protein of 50g fish or lean meat. The digestibility of egg protein is also the highest among milk, pork, beef and rice.

2. Fat: every 100g egg contains 1 1. 1 g, mostly concentrated in egg yolk, mostly unsaturated fatty acids. Fat is milky white and easily absorbed by the human body.

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