Can you eat dead blue crabs, can you eat dead blue crabs?

Can't eat. Because the crab has a hepatopancreatic midgut gland, it is a scavenger with strong immunity, and there are many bacteria and viruses that eat something, and the bacteria and viruses will multiply in large numbers after death, and breed some biotoxins, which are easy to cause food poisoning after eating.

Crab is a scavenger with strong immunity, eating a lot of bacteria and viruses, but they are all suppressed by the crab's immunity, once the crab is dead, not even dead, just dying, bacteria and viruses will multiply in large numbers and breed some biotoxins. Because crabs like to eat decaying substances such as animal carcasses, their gastrointestinal tracts often carry pathogenic bacteria and toxic substances, and once they die, these germs multiply in large numbers; In addition, the crab body also contains more histidine, histidine is easy to decompose, can produce histamine and histidine-like substances under the action of decarboxylase, especially when the crab dies, histidine decomposition is more rapid, with the longer the crab dies, the more histamine accumulates in the body, and when histamine accumulates to a certain amount, it will cause poisoning. As long as you see the crab half-dead and unmotivated, it's best not to eat it.

Dead blue crabs cannot be eaten, and once the crabs die, they are poisonous.

Crabs must be eaten alive, dead crabs will have toxins in them, which may cause food poisoning, so it is recommended not to eat them.

When a 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. Too high ammonia nitrogen must be excreted from the kidneys, so eating dead hairy crabs is very bad for the kidneys.

Dead crab eaters may experience symptoms such as vomiting, abdominal pain, and diarrhea. So it's better not to be tasty.

Hairy crabs can't be eaten if they're dead, but blue crabs can be eaten if they're sea crabs.

Blue crab, scientific name "saw-edge blue crab", grows in the mudflats or mud bottom between the tides, burrows during the day, suitable salinity of 1-23%, belongs to the wide-temperature animal, has low requirements for dissolved oxygen, the dissolved oxygen in the water is higher than 2ppm, the feeding amount is large, and the response is sluggish when it is lower than 1ppm. Blue crabs are mainly meat-eating, often eat small fish and shrimp, and also eat artificial feed, and grow up after many molts to grow to more than 200 grams per commercial crab. Blue crabs can be divided into water crabs, meat crabs, cream crabs, heavy crabs and girl crabs according to the different periods and forms of growth, especially the cream crabs and heavy crabs, the meat is delicious, the meat is fat and thick, the taste is greasy and fragrant and there is no fishy smell, and the economic value is high.

Place of origin: Nanshui Town.

Seafood such as blue crab is best cooked when it is live.

Dead blue crabs cannot be eaten. Dead crabs produce a large amount of histamine in their bodies, and people who eat dead crabs will have histamine poisoning, because histamine is an allergic poison, which can also be said to be allergic food poisoning.

Don't think that it doesn't matter if you only eat a little dead crab meat, people who are allergic to histamine can cause a reaction even if they eat a bite, for example, some people will have symptoms after eating dead crabs for 10 minutes and 3 hours, such as redness of the cheeks, flushing of the chest and the whole body** and conjunctival hyperemia of the eyes, as well as headache, dizziness, chest tightness, general weakness and irritability.

Normally, blue crabs die on the same day, and if they die for a short time, they can generally be eaten; If the time of death is more than two hours, it is generally not allowed to eat.

You must choose fresh blue crabs, don't buy dead or dying blue crabs, dead blue crabs are very unhealthy, you can turn it over, if you can turn it back by yourself, it means that it is still more energetic, you can buy it.

You can lift the blue crab up, backlight to see the jagged top of the crab shell, if it is completely opaque, it means that the blue crab is relatively plump, otherwise it is not too full.

The practice of blue crab.

Ingredients: 1 crab, 4 taels of garlic, chili pepper, locust salt.

Method: 1. First clean the crab and cut it into 4 or 6 pieces.

2. Remove the oil from the pan, fry the crab until golden brown, and set aside.

3. Put the garlic bait in the oil pan and fry it until golden brown, then remove it and set aside.

4. Stir-fry the chili peppers, then put the crab and garlic bait into the pot, add the acacia salt and mix well.

Slant died on the day. It is possible to eat it if the time is short.

After the blue crab dies, it should not be eaten after 2 hours at room temperature. The eating season of blue crabs is mostly summer and autumn, the ambient temperature is high, bacteria breed quickly, and a large number of bacteria will be generated when stored at room temperature for about 2 hours after the blue crab dies, which will affect the health of the body after eating. Blue crab, decapod pike crab, is one of China's precious aquatic products, rich in protein and trace elements, has a good tonic effect on the body.

After the blue crab dies, it should not be eaten after 2 hours at room temperature. The eating season of blue crabs is mostly summer and autumn, the ambient temperature is high, bacteria breed quickly, and a large number of bacteria will be generated when stored at room temperature for about 2 hours after the blue crab dies, which will affect the health of the body after eating.

After the blue crab dies, it can be eaten in a low temperature environment in winter or stored in the refrigerator for 2 days, and cannot be eaten after being stored at room temperature for more than 2 hours in summer and autumn. It is best to eat the blue crab immediately after death, because the longer the blue crab dies, the more bacteria and toxic substances in the old world will be produced in its body.

The length of time for a blue crab to die cannot be used to judge whether it can be eaten or not, because the storage method is different, and the length of shelf life is also different. Generally speaking, blue crabs can be stored for about 2 days at most in a low temperature environment or in the refrigerator in winter, while blue crabs can only be stored for about 2 hours at maximum in summer and autumn at room temperature.

It is best to eat blue crabs immediately after death, because after the death of blue crabs or other crabs, a substance called "histamine" is produced in the body, which is toxic, and the longer the crab dies, the more histamine it produces. Even if you keep it in the refrigerator, it only slows down the production of bacteria and histamine, but it doesn't stop it completely.

Human consumption of this crab can cause allergic symptoms such as flushing and conjunctival hyperemia, and cause dizziness, headache, chest tightness, poor breathing and other symptoms of fissure poisoning. If you feel unwell after eating blue crabs, it is recommended to go to the hospital in time**.