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It's crab season again, but do you know anything about crabs? Only by knowing these can the nutritional value of crabs be fully brought into play! If you don't know it yet, check out this article!
There are generally two types of crabs – sea crabs and river crabs. River crabs are colder than sea crabs. River crabs, which should be called freshwater crabs strictly speaking, can also be subdivided into three types:
River crabs, lake crabs, river crabs. The popular hairy crab belongs to the lake crab, and it is the most delicious. Eating crabs can nourish the liver yin, nourish gastric juice, fight tuberculosis, invigorate blood and remove stasis, nourish tendons and bones, and can also be used to replenish the body during the recovery period of cancer.
But when is the best time to eat crab?
The answer is the Mid-Autumn Festival. Because during the Mid-Autumn Festival, half of the autumn has passed, and in the late autumn season, the human body needs to nourish yin. The crab is nourishing yin, it can replenish kidney yin (kidney yin is the root of yin fluid in our whole body, with moisturizing and calming effects), nourishing stomach yin (stomach yin is gastric juice, some people have insufficient gastric juice, they will often have stomach pain), nourishing liver yin (liver fire is strong and has real fire, such as red eyes, dry eyes, and sometimes artificial tears have to be dropped, which is the deficiency of liver yin).
Because crabs belong to the great cold. Many people are very entangled when eating crabs, thinking that it is delicious, but they can't eat too much, in fact, as long as they are eaten correctly, crabs can also be eaten very healthy, we can open our hearts and enjoy its deliciousness.
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1 Can you eat hairy crabs that have just died?
It is not recommended to eat. 1. The taste of the dead crab deteriorates The crab contains histidine, histidine produces histamine and histamine-like substances under the action of decarboxylase, after the crab dies, the intestinal gland will quickly fall apart, and the histidine and digestive enzymes in it will decompose the crab meat, so the meat quality of the dead crab will deteriorate, and the taste will be greatly reduced.
2. Dead crabs are prone to allergies, and the histidine contained in crab meat will be converted into histamine after the crab dies, histamine is an allergenic substance, which will cause blood vessel dilation after ingestion, ** mucosal congestion and edema, urticaria, nasal congestion, runny nose, bronchial asthma and other allergic symptoms, severe respiratory and circulatory failure, and life-threatening.
3. Dead crabs are prone to food poisoning Crabs are omnivores, like to eat rotting animal and plant corpses, these animals and plants contain a large number of bacteria and viruses, when the crab is alive, its own metabolism can compete with microorganisms, inhibit the reproduction of bacteria, and after the crab dies, the microorganism will use its nutrients to multiply rapidly, resulting in crab spoilage, producing too many toxins, and people are prone to diarrhea, abdominal pain, vomiting, fever and other poisoning symptoms after eating.
2 How to remedy eating dead crabs.
You can start by drinking more warm water or mung bean soup that has detoxifying effects.
Then observe the symptoms, if you are not uncomfortable, it is not a big problem, although it can cause human food poisoning after eating, this is just a lot of illness, not after eating. If there is discomfort, such as vomiting and diarrhea, dizziness, etc., it is recommended to seek medical attention in time.
3 What to do with a river crab that dies for a day.
The river crab cannot be eaten after a day of death, so it is recommended to discard it or bury it in a flower pot or under a pepper or eggplant tree.
When a river crab is dying or dead, the hidooxyacids in the crab's body break down to produce histamine. Histamine is a toxic substance, with the prolongation of death time, the crab body accumulates more and more histamine, and the poisonous gas is getting bigger and bigger, even if the crab is cooked, this toxin is not easy to destroy. Therefore, don't eat the river crab when it dies.
4 Can you eat frozen dead crabs in the refrigerator.
Dead crabs in the refrigerated layer should not be eaten.
The temperature of the refrigerated layer is not low, a few degrees above zero, which can ensure the freshness of the food and keep the food fresh, therefore, the refrigerated layer is not bacteriostatic and sterilization, after the death of the crab, the body will have a large number of bacteria to multiply, and the body will secrete histamine, which is not conducive to physical health, and the dead crab placed in the refrigerator and the refrigerated layer should not be eaten.
Dead crabs in the frozen layer are edible.
The temperature of the frozen layer is relatively low, generally below zero, you can freeze the food, and have an inhibitory effect on bacteria and various enzymes, and the crab will soon freeze and freeze to death when you put it in the frozen layer.
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Dead crabs cannot be eaten. Crabs like to eat dead fish, dead shrimp and other rotten animal carcasses in the water, and certain bacteria will accumulate in the crab's body. In particular, river crabs mostly grow in dirty river ponds, and there are a large number of germs inside and outside the crabs.
Live crabs can excrete bacteria through metabolism in the body, but once the crab dies, the bacteria in his body will multiply, one of which is called Proteus, which can decarboxylize proteins in the human body, thereby producing histamine, and when histamine accumulates to a certain amount, people will be poisoned when they eat it, common manifestations are nausea, vomiting, abdominal pain, diarrhea, and in severe cases, dehydration, convulsions, and even shock.
Fresh crabs should also be cooked at high temperatures, which will effectively prevent the spread of bacteria and better kill bacteria. If you buy too many crabs and can't eat them all at once, you can put the crabs in the refrigerator to keep them fresh, below 7 degrees, and put a wet towel on the crab at the same time, so that the crabs can be kept for a few days.
Not only dead crabs can't be eaten, but half-cooked crabs can't be eaten either.
Precautions for eating crabs.
Crabs should be washed.
After buying the crab, first wash the dirt attached to the outside of the crab, and then put it in light salt water for 1-2 hours to let it vomit out the dirt in the stomach. Change the water twice during this period.
Don't eat dead crabs.
Since crab meat contains more histidine, histidine can be broken down into histamine, which is a toxic substance. And the longer the crab dies, the more histamine will be in the crab's body.
Don't eat half-cooked crabs.
Crabs often carry lung flukes and Vibrio parahaemolyticus, which can cause paraflukes or bacterial food poisoning if left unsterilized or killed, and can be life-threatening in severe cases. The saying that "crabs are eaten raw and shrimp are eaten alive" is unscientific.
Do not eat the stomach, intestines, gills and other parts of the crab.
Crabs like to eat rotten food, its stomach, intestines, gills and other parts often contain a large number of bacteria and toxic substances, so when eating crabs, do not touch these things in the mouth, let alone chew and bite, should remove these parts before eating.
What are the dangers of eating dead crabs.
Dead crabs deteriorate in taste.
The crab contains histidine in the body, histidine produces histamine and histamine-like substances under the action of decarboxylase, after the crab dies, the intestinal gland will quickly fall apart, and the histidine and digestive enzymes in it will decompose the crab meat, so the meat quality of the dead crab will deteriorate, and the taste will be greatly reduced.
Dead crabs are prone to allergies.
The histidine contained in crab meat will be converted into histamine after the crab dies, histamine is a sensitizing substance, which will cause blood vessel dilation after ingestion, ** mucosal congestion and edema, urticaria, nasal congestion, runny nose, bronchial asthma and other allergic symptoms, severe respiratory and circulatory failure, and life-threatening.
Dead crabs are susceptible to food poisoning.
Crabs are omnivores, like to eat rotten animal and plant corpses, these animals and plants contain a large number of bacteria and viruses, when the crab is alive, its own metabolism can compete with microorganisms, inhibit the reproduction of bacteria, and after the crab dies, the microorganism will use its nutrients to multiply rapidly, resulting in crab spoilage, produce too many toxins, people are prone to diarrhea, abdominal pain, vomiting, fever and other poisoning symptoms after eating.
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Dead crabs. Can you eat it? How can it be mitigated? It's better to eat seafood or try to eat fresher, I don't know if you said dead crabs. It's been dead for a long time. For example, if you die at the ninth time, it is better not to eat as much as possible.
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It can't be eaten, and there are a lot of bacteria in the body of river crabs. Live crabs can excrete bacteria from their bodies through metabolism in their bodies; Once the crab dies, the bacteria in his body will multiply in large numbers, decompose the crab meat, and some bacteria will also produce toxins, which will cause food poisoning when people eat them.
In addition, crabs contain more histidine in their bodies, and the longer the crab dies, the more histamine accumulates in the body. Even if the crab is cooked, this toxin is not easily destroyed. Histamine is a toxic substance that causes poisoning when it accumulates in the body to a certain extent.
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Question 1: What should I do if I eat a dead hairy crab? If you are careful to eat a dead hairy crab.
The symptoms that appear are very obvious, and after half an hour there will be a slight stomach ache! Drinking some boiling water would be better. If it is a severe stomach ache, it is recommended to go to the hospital to see it, generally speaking, it will not be a big problem!
Question 2: What should I do with dead river crabs? Can you eat it?
This crab has not been dead for a long time and can be eaten, but you must clean it up, remove the crab cover (that is, the small piece cover of the navel part of the crab, the shape of the male crab and the female crab are different), and uncover the crab cover; Use a small spoon to scoop out the middle part of the crab stomach and gently suck the crab roe wrapped on the outside. Be careful not to suck the triangular cone-shaped crab stomach in the middle, it should be discarded; Use scissors to cut off excess crab legs, beaks, and lungs; Use the handle of a spoon to pick out a hexagonal sheet in the middle of the crab body, which is the crab heart, and discard.
People with allergies will have a reaction when they eat dead or alive, which is relatively rare).
Question 3: What should I do if I suspect that I have eaten a dead crab I have already eaten it, and there is really no good way except to go to the hospital for gastric lavage.
Question 4: I ate a crab that died for a few hours, will it be okay? No, it doesn't spoil and poison so quickly.
We also often eat crabs that have just died, and sometimes we buy too many and some die, so it is recommended that we buy crabs in the refrigerator and put them in the refrigerator crisper in the future, so that they can be stored for a few days without dying.
Question 5: What is the harm of eating dead crabs Sea crabs are dead, and they can be eaten after quick freezing. River crabs can't be eaten when they die, because they have hidooxytic acid in their bodies that will be decomposed into histamine, which will make people vomit and diarrhea, mainly because this substance is decomposed and excreted through the human liver and kidneys.
Parrotatode infections can also occur. So the river crab must be eaten alive.
Question 6: What should I do if I am poisoned by eating dead crabs? How to detoxify? Eat some ginger or ginger soup I am also allergic to red bumps on my body and itchy so I want to get an injection of anti-allergy medicine faster or just take two tablets If it is serious, send it to the hospital immediately
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