4 Tips for Cooking Eggs
Do not boil eggs with boiling water. First of all, the boiling water will make the eggs roll around in the pot, it is easy to break the egg shells, and even the protein is exposed. Second, the coagulation and denaturation of proteins in eggs does not require very high temperatures, usually 60°C-87°C, and the boiling water temperature can reach 100°C. If boiled in boiling water, the protein may be as old as an eraser. Therefore, when cooking eggs, you should open the lid and allow the water to bubbling rather than boil.
2, the cooking time should be short, after cooking to cool. The protein is fully cooked and the egg yolks are completely solidified. The eggs need to be cooked for 10 minutes. However, if you want a tender boiled egg, it takes about 6 minutes. If the egg is cooked for too long, there will be an unpleasant smell of sulfur. Another thing to note is that when you take the eggs out of the pan, cool them with cool water immediately, otherwise the residual temperature will keep the eggs warm and grow old.
3. Some of Chen’s eggs are better peeled. We all feel that the freshest is good, but boiled eggs do not need to be too fresh. Because the eggs that are slightly older are better peeled. If you store eggs in the refrigerator for a few days, the pH will increase slightly, and the protein and the inner shell will loosen slightly.
4. It does not matter if the yolks turn green. If the egg is cooked too old, you will find that there is a layer of green outside the yolk. This is where the sulphides in the egg yolk react with iron without any harm. As long as the cooking time is not too long, you can avoid it.
Should I eat a few eggs a day?
From a nutritional point of view, in order to guarantee the satisfaction of the body's needs without oversupply, in general circumstances:
It is better for the elderly to eat 1 or 2 meals a day. Young people and middle-aged people who are engaged in mental work or light physical work are more likely to eat 2 eggs a day; they can eat 2 to 3 eggs a day for heavy physical labor and consume more nutrients. Juveniles and children are able to eat 2 to 3 meals a day due to their fast metabolism.
It is best to eat in the morning or at noon to provide adequate nutrition for the day's work and to avoid excessive cholesterol intake at night.
However, people who have problems with their liver and kidney function need to consult their doctors to determine the number of eggs they eat. Because eggs are rich in protein, excessive protein can increase the burden on the liver and kidneys.
Three kinds of eggs can not eat
1, rotten eggs: As a result of bacteria invade the eggs within a large number of breeds, resulting in deterioration, gray eggshell, or even the shell due to internal hydrogen sulfide gas expansion and rupture, and the mixture within the egg was grayish green or dark yellow with Bad smell, this egg can not be eaten, otherwise it will cause bacterial food poisoning.
2, cracked eggs: eggs in the transportation, storage and packaging process, due to vibration, extrusion and other reasons, some eggs will cause cracks, cracks, it is easy to be invaded by bacteria, if placed longer time it is unfit for human consumption.
3, sticky shell eggs: This type of egg for storage time is too long, the yolk film from the tough to weak, egg yolk close to the eggshell, if the part is red can also eat, but the egg membrane does not move close to the shell, stick outside the skin Dark black, and smelly, it is not appropriate to eat.
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