Don’t eat dead swimming crabs. You may be poisoned if you eat them. It is best not to eat dead swimming crabs. Although swimming crab meat is delicious and nutritious, dead crabs are still taboo.

Because crabs like to eat decaying materials such as animal corpses, their gastrointestinal tracts often carry pathogenic bacteria and toxic substances. Once they die, these bacteria multiply in large numbers.

In addition, crabs also contain a lot of histidine. Histidine is easy to decompose and can produce histamine and histamine-like substances under the action of decarboxylase. Especially after death, histamine Amino acid decomposes more quickly. As the crab dies longer, more histamine accumulates in the body. When a certain amount of histamine accumulates, poisoning will occur.

Precautions when selecting swimming crabs

When you go to the seafood market to buy swimming crabs, you can see that most swimming crabs have claws tied up with rubber bands. When we choose swimming crabs, we must choose those with higher activity levels. Such swimming crabs are fresh. The swimming crabs with high activity are definitely fattier than the swimming crabs with low activity.

Pinch the second leg of the swimming crab with your hands. The legs of high-quality swimming crabs are relatively hard. It is elastic when pinched and can spring back when pressed. You can clearly feel that there is a lot of crab meat inside. On the contrary, if you pinch it, it is not hard and does not rebound.