People in China treat eggs as tonics. Regular consumption of eggs can enhance memory, protect heart and arteries, prevent cancer, and delay aging. If it cannot be properly processed and eaten, supplements will become "scraps" or even "drugs". Therefore, we must conscientiously master the knowledge in eggs and take preventive measures beforehand....
What to eat eggs
Avoid eating unripe egg egg protein contains avidin, which will affect the absorption of biotin in food, causing the body to have symptoms of loss of appetite, general weakness, muscle pain, skin inflammation, and eyebrow pull off. Eggs contain antitrypsin, which affects the body's digestion and absorption of egg proteins. These two substances in unripened eggs are not decomposed and therefore affect the digestion and absorption of proteins. Eggs carry bacteria during the process of formation. Unripe eggs cannot kill bacteria and cause diarrhea. Therefore, eggs should be eaten after high temperatures and do not eat unripe eggs. The protein structure of raw eggs is compact, and most of them cannot be absorbed by the body. Only the cooked proteins become soft and the human gastrointestinal tract can digest and absorb. Raw eggs have a special odor, which can cause central nervous system inhibition and reduce the secretion of saliva, gastric juice, and intestinal fluids, leading to loss of appetite and indigestion. Avoid eating boiled eggs and eggs for a long time. A gray-green ferrous sulfide layer will form on the surface of the egg yolk and it is difficult to be absorbed by the body. Protein aging will become hard and tough, affect appetite, but also difficult to absorb. Eggs should not be boiled with sugar and boiled. Cooking with eggs and sugar will produce a substance called glycosyl-lysine due to high temperature, destroying the amino acids that are beneficial to the human body in eggs, and this substance has a blood coagulation effect and will enter the human body. Cause harm. If you need to add sugar to the boiled egg, you should wait for it to cool and then stir it. The taste will not diminish. Scrambled eggs do not need to put MSG eggs contain sodium chloride and a lot of glutamic acid, the two components are heated to produce sodium glutamate, there is a pure flavor. The main component of monosodium glutamate is also sodium glutamate. If MSG is added to scrambled eggs, it will affect the synthesis of sodium glutamate in eggs and destroy the umami taste of eggs.
Cooked eggs boiled in cold water, avoid bogey, some people often immersed eggs cooked in cold water, use the thermal expansion coefficient of eggshell and protein are different, so that the shell easily peel off, but this approach is not sanitary. Because fresh eggs have a protective film on the outside, the moisture in the eggs is not easy to evaporate, and the intrusion of microorganisms is prevented. After the eggs are cooked, the upper membrane of the shell is destroyed, and some of the gas in the gas cavity of the eggs escapes. At this time, the eggs are placed in cold water. The temperature in the air chamber drops abruptly and becomes negative pressure. Cold water and microorganisms can enter the egg through the pores on the bilayer membrane inside the shell and shell, and are easily spoiled and deteriorated during storage.
Tea leaves should be eaten less because the tea contains acidified substances, combined with the iron in the eggs, it will stimulate the stomach, affecting the digestive function of the gastrointestinal.
How to eat the most nutritious eggs
Cooking methods: Eggs are eaten in various ways. In terms of nutrient absorption and digestibility, boiled eggs are 100%, scrambled eggs are 97%, tender fried is 98%, and old fried is 81.1%. Boiling water and milk are used as 92.5%, raw food is 30% to 50%. In this regard, boiled eggs are the best way to eat, but pay attention to slowly, otherwise it will affect absorption and digestion. However, for children, steamed egg tarts and egg soup are the most suitable, because these two methods can make the protein loose and can be easily digested and absorbed by children.
Quantity: Eggs are high-protein foods. If they are eaten too much, they can lead to increased metabolites and increase the burden on the kidneys. In general, children and the elderly one day, adolescents and adults are more suitable each day. Good protein or good egg yolk: The correct way to eat is to eat the whole egg. The protein content in the protein is more, while other nutrients are contained in the egg yolk.
Six kinds of eggs can't be eaten
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 to be unfit for human consumption.
Sticky shell eggs: This type of egg is stored for too long. The yolk film is weak and weak. The egg yolk is tightly attached to the shell. If it is partially red, it can be eaten. However, the egg film is tightly attached to the shell and is deep outside the skin. Black and smelly people should not eat again.
Rotten eggs: As the bacteria invade into the eggs and multiply, the eggs are gray, and even the shell is broken due to the expansion of the internal hydrogen sulfide gas, and the mixture in the eggs is grayish green or dark yellow with bad smell. Taste, this egg can not be eaten, otherwise it will cause bacterial food poisoning.
Scattered yellow eggs: due to intense vibrations such as transportation, the yolk membrane ruptures, causing mechanical yellow dispersal; or storage time is too long, bacteria or mold invade the egg through the shell pores, and destroy the protein structure caused by scattered yellow, thin egg turbid. If the scattered yellow is not serious, no odor, after boiling and other high-temperature treatment can still be edible, but if bacteria reproduce in the egg, the protein has been degeneration, there is no smell can not eat.
Dead fetus eggs: Eggs are contaminated with bacteria or parasites during hatching, coupled with poor temperature and humidity conditions, and cause the embryos to stop developing eggs called dead fetus eggs. The nutrients contained in this egg have changed, and if it dies for a long time, the protein will be decomposed and produce a variety of toxic substances, so it is unfit for human consumption.
Moldy eggs: Some eggs are exposed to rain or moisture, will wash off the protective film on the eggshell surface, so that bacteria invade the moldy surface of the egg surface, resulting in black spots on the eggshell and mildew, this kind of egg should not buy food. In addition, there are diarrhea yellow eggs, blood tendons eggs, etc. should generally not be purchased for consumption.
What to eat eggs
Avoid eating unripe egg egg protein contains avidin, which will affect the absorption of biotin in food, causing the body to have symptoms of loss of appetite, general weakness, muscle pain, skin inflammation, and eyebrow pull off. Eggs contain antitrypsin, which affects the body's digestion and absorption of egg proteins. These two substances in unripened eggs are not decomposed and therefore affect the digestion and absorption of proteins. Eggs carry bacteria during the process of formation. Unripe eggs cannot kill bacteria and cause diarrhea. Therefore, eggs should be eaten after high temperatures and do not eat unripe eggs. The protein structure of raw eggs is compact, and most of them cannot be absorbed by the body. Only the cooked proteins become soft and the human gastrointestinal tract can digest and absorb. Raw eggs have a special odor, which can cause central nervous system inhibition and reduce the secretion of saliva, gastric juice, and intestinal fluids, leading to loss of appetite and indigestion. Avoid eating boiled eggs and eggs for a long time. A gray-green ferrous sulfide layer will form on the surface of the egg yolk and it is difficult to be absorbed by the body. Protein aging will become hard and tough, affect appetite, but also difficult to absorb. Eggs should not be boiled with sugar and boiled. Cooking with eggs and sugar will produce a substance called glycosyl-lysine due to high temperature, destroying the amino acids that are beneficial to the human body in eggs, and this substance has a blood coagulation effect and will enter the human body. Cause harm. If you need to add sugar to the boiled egg, you should wait for it to cool and then stir it. The taste will not diminish. Scrambled eggs do not need to put MSG eggs contain sodium chloride and a lot of glutamic acid, the two components are heated to produce sodium glutamate, there is a pure flavor. The main component of monosodium glutamate is also sodium glutamate. If MSG is added to scrambled eggs, it will affect the synthesis of sodium glutamate in eggs and destroy the umami taste of eggs.
Cooked eggs boiled in cold water, avoid bogey, some people often immersed eggs cooked in cold water, use the thermal expansion coefficient of eggshell and protein are different, so that the shell easily peel off, but this approach is not sanitary. Because fresh eggs have a protective film on the outside, the moisture in the eggs is not easy to evaporate, and the intrusion of microorganisms is prevented. After the eggs are cooked, the upper membrane of the shell is destroyed, and some of the gas in the gas cavity of the eggs escapes. At this time, the eggs are placed in cold water. The temperature in the air chamber drops abruptly and becomes negative pressure. Cold water and microorganisms can enter the egg through the pores on the bilayer membrane inside the shell and shell, and are easily spoiled and deteriorated during storage.
Tea leaves should be eaten less because the tea contains acidified substances, combined with the iron in the eggs, it will stimulate the stomach, affecting the digestive function of the gastrointestinal.
How to eat the most nutritious eggs
Cooking methods: Eggs are eaten in various ways. In terms of nutrient absorption and digestibility, boiled eggs are 100%, scrambled eggs are 97%, tender fried is 98%, and old fried is 81.1%. Boiling water and milk are used as 92.5%, raw food is 30% to 50%. In this regard, boiled eggs are the best way to eat, but pay attention to slowly, otherwise it will affect absorption and digestion. However, for children, steamed egg tarts and egg soup are the most suitable, because these two methods can make the protein loose and can be easily digested and absorbed by children.
Quantity: Eggs are high-protein foods. If they are eaten too much, they can lead to increased metabolites and increase the burden on the kidneys. In general, children and the elderly one day, adolescents and adults are more suitable each day. Good protein or good egg yolk: The correct way to eat is to eat the whole egg. The protein content in the protein is more, while other nutrients are contained in the egg yolk.
Six kinds of eggs can't be eaten
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 to be unfit for human consumption.
Sticky shell eggs: This type of egg is stored for too long. The yolk film is weak and weak. The egg yolk is tightly attached to the shell. If it is partially red, it can be eaten. However, the egg film is tightly attached to the shell and is deep outside the skin. Black and smelly people should not eat again.
Rotten eggs: As the bacteria invade into the eggs and multiply, the eggs are gray, and even the shell is broken due to the expansion of the internal hydrogen sulfide gas, and the mixture in the eggs is grayish green or dark yellow with bad smell. Taste, this egg can not be eaten, otherwise it will cause bacterial food poisoning.
Scattered yellow eggs: due to intense vibrations such as transportation, the yolk membrane ruptures, causing mechanical yellow dispersal; or storage time is too long, bacteria or mold invade the egg through the shell pores, and destroy the protein structure caused by scattered yellow, thin egg turbid. If the scattered yellow is not serious, no odor, after boiling and other high-temperature treatment can still be edible, but if bacteria reproduce in the egg, the protein has been degeneration, there is no smell can not eat.
Dead fetus eggs: Eggs are contaminated with bacteria or parasites during hatching, coupled with poor temperature and humidity conditions, and cause the embryos to stop developing eggs called dead fetus eggs. The nutrients contained in this egg have changed, and if it dies for a long time, the protein will be decomposed and produce a variety of toxic substances, so it is unfit for human consumption.
Moldy eggs: Some eggs are exposed to rain or moisture, will wash off the protective film on the eggshell surface, so that bacteria invade the moldy surface of the egg surface, resulting in black spots on the eggshell and mildew, this kind of egg should not buy food. In addition, there are diarrhea yellow eggs, blood tendons eggs, etc. should generally not be purchased for consumption.
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