Frozen dead hairy crabs are not edible. Because the temperature of the refrigerated layer is not low, at a few degrees above zero, it can ensure the freshness of the food and keep the food fresh. Therefore, the refrigerated layer is not antibacterial or sterilizing. After the crab dies, a large number of bacteria will multiply in the body, and the body will Histamine secretes histamine, which has toxic side effects. Therefore, dead crabs placed in the cold storage layer of the refrigerator should not be eaten.

The dangers of dead crabs:

1. Crabs are scavengers with strong immunity. They eat many bacteria and viruses, but they are all suppressed by the crab’s immunity. , once the crab is dead, or not even dead, but almost dead, bacteria and viruses will multiply and produce some biological toxins.

2. After crabs are caught, they often try to break free, which causes an increase in lactic acid in the body. This causes the bacteria in the crab's body to multiply rapidly and spread into the crab meat after it dies.

3. Bacteria will decompose the amino acids in crabs, and then produce a harmful substance "histamine", which can cause allergic food poisoning; another substance that may be produced is "histamine-like", which can cause vomiting, Abdominal pain and diarrhea, so be careful when choosing.

Extended information

Taboos for eating hairy crabs

1. People with weak colds should not eat hairy crabs.

2. Do not eat crab hearts. There is a hexagonal white crab heart between the new gills, and it is not suitable for people with cold or cold conditions. In addition, it is not advisable to eat any internal organs, because the internal organs accumulate heavy metals, and eating too much can easily lead to poisoning.

3. People with sensitive skin should not eat hairy crabs.

4. At the same time, the persimmon and the crab will meet the King of Hell. Crab meat is rich in protein, and persimmons contain tannins. Eating them at the same time can cause protein coagulation and cause intestinal spasm.

5. People with high cholesterol should not eat hairy crabs.

6. Remember to eat hairy crabs half-cooked.

People's Daily Online - Taboos on eating crabs