The refrigerator has the characteristics of low temperature and constant temperature. Putting crabs in the refrigerator can delay the possibility of being contaminated by bacteria and microorganisms to a certain extent, and can also extend the edible period of crabs. Therefore, both fresh crabs and cooked crabs can be kept in the refrigerator, and crabs can keep fresh. However, although putting crabs in the refrigerator can prolong the edible period of crabs, it should not be kept for too long. If it is preserved for too long, crabs will be preserved.

2 crabs are taken out after freezing. Is it dead? Not necessarily.

Crabs are cold-blooded animals, hibernate in winter, and the temperature of the cold storage layer of the refrigerator is relatively low. After being placed in the cold storage layer of the refrigerator, the crab will enter the dormant mode, its activity will be reduced, and it will gradually become motionless and stop moving to maintain its physical strength. In order to judge whether the crab is dead when it is taken out of the refrigerator, it can be taken out and put in water. If it doesn't bubble in its mouth, the crab will die and bubble is still alive.

Can crabs be eaten after refrigeration? It depends on the specific situation.

If the crab dies in the cold storage, whether it is cold storage or natural death, the death time is less than one day, and the crab can continue to eat; If the crab dies of illness or dies for more than a day, and the crab begins to stink, don't continue to eat crabs. Such crabs will have health risks after eating, which is not conducive to the maintenance of the body. If the cause of crab death is not clear, it is also recommended not to continue eating, so as not to cause harm to the body.

4 steamed crabs are steamed with cold water or boiling water. It is recommended to steam crabs in cold water.

Crab is a delicious food, and its meat is rich in protein and amino acids. If steamed, it can fully absorb the nutrition in crab meat and taste delicious. When steaming crabs, they are usually steamed in cold water. If boiled water is used for steaming, crabs will struggle violently during steaming, and crab legs will easily fall off after struggling, which will affect the overall beauty of crabs.