10 minutes. Main ingredients: 3 eggs, auxiliary ingredients: water moderate.
1, cold water under the egg water submerged eggs can cover the lid. Boil on high heat and immediately turn to low heat and cook for 10 minutes.
2, after the eggs are cooked fish up with cool water to rinse eggs for about 15 seconds (easy to shell).
Harmful effects of poorly cooked eggs:
1, if the eggs are cooked in boiling water for more than 10 minutes, a series of chemical changes will occur inside. The protein structure becomes tighter and less likely to come into contact with protein-digesting enzymes in the gastric juices, so it is harder to digest. Egg protein contains more methionine, after a long time of heating, it will decompose sulfide, it reacts with the iron in the yolk to form iron sulfide that is not easily absorbed by the human body, and the nutritional loss is more.
2, boiled eggs are more harmful. Raw eggs not only salmonella contamination problems, there are anti-enzymatic protein and anti-biotin protein two harmful substances. The former will affect the digestion and absorption of protein; the latter can be combined with food biotin, leading to a lack of human biotin, resulting in mental fatigue, muscle pain and other symptoms. And once the eggs are cooked, the above two substances will be destroyed.