Under normal circumstances, it can be stored for 5-7 days, but the crabs will lose weight if stored for too long. Eating them within 3 days will not affect the taste.

If it is alive, it can be eaten overnight. Killed crabs are poisonous. Once a crab dies, the bacteria in its body will multiply and decompose. Crab meat, some bacteria also produce toxins. If people eat such crabs, it will cause food poisoning. Common symptoms include nausea, vomiting, abdominal pain, and diarrhea; in severe cases, dehydration, electrolyte imbalance, convulsions, and even shock and coma may occur. , sepsis, etc. ?If the above situation occurs, the patient should be sent to the hospital immediately, given intravenous infusion of glucose saline or compound sodium chloride, replenish fluids, and encourage the patient to drink more water, tea, etc. Promptly replenish potassium to maintain electrolyte balance, and administer sensitive antibiotics to control and prevent infection. People with low blood pressure are given vasopressor drugs and other symptomatic treatments. Therefore, killed crabs cannot be eaten overnight

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Preserve crabs in the refrigerator

Find a suitable foam box according to the size of the freezer compartment of the refrigerator. You can put it in the freezer in advance to see if it fits. Then tie the crab's legs and feet and put it in the foam box. Place them one by one, trying to fill up one layer before adding more. Add water to the foam box until the water covers the surface of the crab. Then cover the foam box and place it in the freezer of the refrigerator to freeze. Just take it out and defrost it when you want to eat crabs.

Preserve crabs in temporary breeding ponds

If the amount of crabs purchased cannot be eaten in three to five days, gently pour the crabs into the bathtub and fill them with water just enough to bury the crabs. You can breathe on the water surface by standing up the eight legs, and add a small amount of small fish and shrimp according to the storage time and quantity. How to store live crabs in this way can generally store crabs for more than 7 days or longer. The survival rate of good quality crabs It can reach more than 95.

Special reminder: If you are not eating it immediately, do not wash it with water, otherwise the crab will die. If the indoor temperature does not exceed 15°C, there is no need to put a refrigerator. Under normal circumstances, it can be stored for 5-7 days, but the crabs will lose weight if stored for too long. Eating them within 3 days will not affect the taste.

2. Dead crabs cannot be eaten, especially after they have been dead for two or three hours. After a crab dies, a chemical substance called "histidine" will be produced in the body, which will decompose to produce the toxic substance "histamine". The longer a crab dies, the more poison it contains in its body, and the toxin is not easily destroyed even if it is cooked. This toxin can cause allergic reactions in people, leading to poisoning