Can dead hairy crabs be eaten, and can dead hairy crabs be eaten?

1.Dead hairy crabs cannot be eaten, otherwise it will cause poisoning and even death, because after the hairy crab dies, some bacteria in the body will quickly multiply and spread to the crab meat of the hairy crab, and then produce a harmful substance, which will cause allergic food poisoning after people eat it.

2. Because after the hairy crab dies, there may be a substance called histamine, which has a certain toxicity, if people eat it, it will immediately cause people to vomit, abdominal pain, diarrhea, if this symptom appears, do not go to the hospital immediately**, it will bring certain harm to everyone's health.

3. Eating dead crabs is most likely to cause people's vomiting, abdominal pain, and diarrhea symptoms, so when you eat crabs, even if they are half-dead, don't eat them, and eat some fresh crabs, these half-dead crabs will have some parasites, so after eating, it will destroy people's lung tissue, may cause coughing, and if it enters the brain, it will even cause paralysis.

Crabs can not be eaten after they die: 1. After the crab dies, it will cause the reproduction of many pathogenic microorganisms and parasites, and if you eat dead crabs, it will cause a high incidence of intestinal infectious diseases, and cause diarrhea and endanger health.

2. The protein and other nutrients have been decomposed and consumed, and if you can't eat it anymore, its nutritional value will be greatly reduced.

3. The components in crabs, especially the decomposition of proteins, can cause allergies in the body, ranging from itching to allergic asthma and endangering the body.

Hairy crabs can not be eaten if they are dead, if the hairy crab dies for more than 2 hours at room temperature, it is not recommended to eat, if it is a hairy crab that dies in a frozen state (not refrigerated), it can be stored for a longer time, but not more than 3 months.

It is advisable to eat river crabs alive, and at room temperature, as the river crabs die, their bodies will continue to produce toxins. This is because crabs, including hairy crabs, like to eat animal carcasses and rotting food, and their digestive tracts contain a large number of pathogenic bacteria and other harmful substances that are harmful to humans. In addition, crabs contain more histidine, which will be broken down into histamine harmful to humans by histamine dehydrogenase carried by some bacteria after death.

How to save hairy crabs:

1. Save the bathtub.

Pick out the vigorous hairy crab to preserve, gently pour the hairy crab into the bathtub, pour a certain amount of water into the bathtub, the amount of water to the hairy crab to stand up on the eight legs can breathe on the water surface, and then according to the storage time and the number of hairy crabs put in small fish and shrimp to feed.

2. Plastic basin preservation.

Pick out the energetic hairy crabs to preserve, spread the hairy crabs into the plastic basin in turn, do not stack, and then add water to cover half of the body of the hairy crab, do not cover the crab with water, avoid the death of the hairy crab due to lack of oxygen, open the plastic basin and place it in a cool place, pay attention to observe the state of the hairy crab every day, and eat the crab with insufficient vitality in time.

Dead hairy crabs are not recommended.

When a hairy crab is dying or dying, the rich nutrients inside, such as protein and fat, will become nutrients for bacteria, causing a large number of bacteria to grow, and at the same time decompose proteins into cadaverine and histamine. Cadaverine and histamine are toxic and can cause poisoning, and histamine can cause allergies, numbness of the limbs, allergies, general weakness, and even asthma and dyspnea.

Hairy crabs that are dying or have just died can be eaten, look at the lower part of the crab's navel, and if it does not turn black, you can eat it. If you die for a long time, the belly button will turn black, and the rich nutrients inside, such as protein and fat, will become the nutrients of bacteria, resulting in a large number of bacterial breeding, and at the same time decompose proteins into cadaverine and histamine, cadaverine and histamine are toxic, which will lead to poisoning, and histamine will cause allergies, numbness of the limbs, allergies, general weakness, and even asthma, dyspnea.