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Can crabs be eaten just after they die?
After the crab dies, the oxygen acid in the crab will decompose to produce histamine. Histamine is a toxic substance. With the extension of death time, more and more histamine is accumulated in crabs, and more and more toxic gases are produced. Even if the crab is cooked, this toxin is not easy to be destroyed. It is recommended that you don't eat dead crabs to avoid poisoning.