Dead pike crabs should not be eaten.

Dead crabs produce large amounts of histamine. Histamine poisoning occurs when people eat dead crabs. Because histamine is an allergic poison, it can also be described as allergic food poisoning. Don't think it's okay to eat just a little bit of dead crab meat.

People who are allergic to histamine can have a reaction to even one bite. For example, 10 minutes to three hours after eating dead crab, symptoms such as reddened cheeks, reddened skin on the chest and all over the body, conjunctival congestion, headache, dizziness, tightness or girdling sensation in the chest, malaise and irritability can occur.

Never eat dead crabs. This is because another important cause of poisoning from dead crabs is bacterial infection. Generally speaking, the living environment of wild crabs is not as good as that of artificial and marine crabs. Once dead, bacteria inside and outside the body will proliferate, breaking down the crab meat and producing toxins. Relatively speaking, the risk of bacterial infection is higher, and people are more susceptible to bacterial infection after eating.

Extended information

Eating crabs notes:

1, crabs should not be eaten with fruit?

The main component of crab meat is protein, but also contains calcium, phosphorus, iron and vitamin A and so on. Therefore, not only the flavor is delicious, but also rich in nutrients. But if you eat with fruit, it is easy to combine with the ellagic acid contained in the fruit to form ellagic acid protein, not easy to digest, aggravate the burden on the stomach and intestines, there will be diarrhea and other symptoms. Therefore, after eating crabs do not immediately eat fruit, especially persimmons and other fruits containing high tannin.

2, crab avoid eating with yogurt?

Crab is cold food, itself easy to cause diarrhea, and yogurt is rich in lactobacilli, there is to accelerate the role of gastrointestinal peristalsis, therefore, yogurt and crab at the same time to eat, especially for the spleen and stomach cold people are more prone to diarrhea.

3, crab avoid eating with beer?

Many people love to drink beer when eating crabs, which is likely to cause gout attacks. Crab belongs to the high purine food, purine in the body of the metabolic end product of uric acid will aggravate the gout condition. Therefore, abnormal purine metabolism or gout patients must be cautious of eating crabs.

People's Daily Online - Why dead crabs can't be eaten

People's Daily Online - Although crabs are delicious, there are contraindications to eating them