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You can't eat it. Dead crabs produce large amounts of histamine in their bodies.
Histamine poisoning occurs when humans eat dead crabs. Because histamine is an allergic poison, it can also be said to be allergic food poisoning. Don't think it's okay to eat just a little bit of dead crab meat.
People who are allergic to histamine can cause a reaction even if they take a bite. For example, after eating a dead crab for 10 minutes and 3 hours, symptoms will appear, such as redness of the cheeks, flushing of the chest and the whole body, conjunctival congestion, and headache.
Dizziness, chest tightness.
General malaise and irritability, etc.
Another important cause of poisoning in dead crabs is bacterial infection. In general, wild river crabs.
The living environment is not as good as the living environment of artificial and marine crabs, once they die, bacteria inside and outside the body will multiply in large numbers, decompose crab meat, and produce toxins, relatively speaking, the risk of bacterial infection is higher, and people are more likely to have bacterial infections after eating.
Dead crabs contain a lot of bacteria that can cause food poisoning when 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, most of which grow in dirty river ponds, have a large number of bacteria inside and outside their bodies.
Live crabs can excrete these bacteria from their bodies on their own, but when the crab dies, the bacteria in the body multiply. These bacteria have a certain effect on the human body, but this reaction will vary depending on the body type.
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No. After the crab dies, histamine begins to be produced in the body. People can get allergic poisoning when they consume more histamine.
So it's okay if you just died, or if you have been dead for an hour or two, or if you have been freezing in the refrigerator and not taking it out after freezing to death. (However, it is not recommended to freeze crabs in the refrigerator because they are not delicious after freezing). If you die for several hours, you are likely to be poisoned if you eat more histamine.
Especially when you buy it from the market, you don't know what state the crab was in before it was born, in case it was already half dead, and you don't know exactly when it died. Therefore, you must not buy crabs in the market, and it doesn't matter if they die in a short period of time before they are bought back and steamed.
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Can you eat dead crabs when they are steamed, sea crabs die nothing, but river crabs are different, generally we eat river crabs alive', but river crabs can still be eaten if they just die, but they can't be eaten after a long time of death, and river crabs will give birth to a lot of fine carp after death, so they can't be eaten, and they will be poisoned after eating, so we basically eat live river crabs here, and dead river crabs are basically not bought, so dead river crabs must not be eaten.
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It is not recommended to eat it, it is not good for the spleen and stomach, and it will cause diarrhea in severe cases.
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After the crab dies, it is fine for a short time, and it is not good for a long time. When a crab is dying or dead, the hidooxyacids in the crab's body break down to produce histamine. Histamine is a toxic substance.
As the time of death prolongs, the crab body accumulates more and more histamine, and the poisonous gas becomes more and more powerful, and even if the crab is cooked, this toxin is not easily destroyed.
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If the dead crab has not been dead for too long, it smells no peculiar smell, and it can be eaten when cooked, but the taste is not very delicious.
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If it has just been dead for a long time and is still fresh, it can be eaten completely after processing.
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If it doesn't go bad, you can still eat it, and if it's spoiled, throw it away!
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River crabs can't be eaten if they've been dead for too long, it's best to be alive, and sea crabs should be fine.
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It is generally recommended not to eat it.
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