1, the crab is dead within how long to eat nothing time is not certain, if it is at room temperature, within 2 hours to eat is not a problem, if it is low-temperature preservation, 1 to 2 days to eat usually will not have an impact.
2, the crab body contains a lot of protein, but also hosts a lot of bacteria, viruses and parasites and other pathogenic microorganisms, after the death if placed at room temperature, should be eaten within 2 hours, more than 2 hours, the activity of these pathogenic microorganisms will be significantly increased, and rapid use of proteins to multiply and reproduce, produce toxins, people eat easily lead to poisoning or cause gastrointestinal discomfort. If immediately placed in the freezer layer of the refrigerator, you can inhibit the activity of pathogenic microorganisms, preservation time can be extended for 3 to 7 days, but it is recommended to eat within 1 to 2 days, time too long nutritional value will be reduced.
3. Once the crab is found dead, it needs to be eaten (consumed) as soon as possible to avoid excessive loss of nutrients and to minimize the adverse effects on the body.