One, the crab is dead can not eat

Eat live crabs should be steamed and boiled through. Live crabs can be metabolized through the body bacteria out of the body. Once the crab is dead, the bacteria in the body will multiply and decompose the crab meat, and some bacteria also produce toxins, causing food poisoning.

Crab body contains more histidine, the longer the crab is dead, the more histidine accumulated in the body, even if the dead crab is cooked, this toxin is not easy to be destroyed. In addition, the crab's body surface, gills and gastrointestinal tract in the presence of Schistosoma pneumoniae larval cysts and Vibrio parahaemolyticus, such as high temperature disinfection, Schistosoma pneumoniae into the human body can cause lung damage.

Second, crabs must be cooked now eat, can not eat overnight

Crab rich in protein, the environmental temperature in the fall is still relatively high, even after cooking is also very easy to proliferate bacteria. It's not recommended to cook them in advance and leave them for a few hours before eating them, so it's best to eat them while they're still hot.

However, if you don't finish a meal, you don't have to throw it away, but you must refrigerate it in a timely manner and make sure it's thoroughly heated and sterilized before eating it.

Expanded:

Crab food taboos:

1, crab should not be eaten with fruits

Crab meat is the main component of 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 fruits, it is easy to combine with the ellagic acid contained in fruits to form ellagic acid protein, which is not easy to digest, aggravating the burden on the stomach and intestines, and symptoms such as diarrhea will occur. Therefore, after eating crabs do not immediately eat fruit, especially persimmons and other fruits containing high tannins.

2, crabs avoid eating with yogurt

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

3, crabs avoid eating with beer

Eating crabs when drinking beer, 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 - Crab is delicious?

People's Daily News - eating crabs those taboos, a few are true?