Crab should not be eaten with sweet potatoes, pumpkin, honey, oranges, pears, pomegranates, tomatoes, pomegranates, peanuts, snails, celery, persimmons, rabbit, thorns and mustard, which will lead to food poisoning; eating crab should not drink cold beverages, which will lead to diarrhea

Crab should not be eaten with sweet potatoes, pumpkin, honey, oranges, pears, pomegranates, tomatoes, pomegranates, peanuts, snails, celery, persimmons, rabbit, thorns and mustard eaten together, will lead to food poisoning; eating crabs should not drink cold drinks, will lead to diarrhea.

1. Crab is cold and salty in nature, and it is a scavenger, so it must be dipped in ginger and vinegar to get rid of cold and sterilization, and should not be eaten alone;

2. The gills, sandbag, and viscera of crab contain a lot of bacteria and toxins, so they must be removed when eating it;

3. Drunken or pickled crabs should not be eaten if they are uncooked, and they should be steamed and boiled through before eating them; cooked crabs that have been stored for a long time should not be eaten; it should not be eaten with tea, and it should not be eaten with cold drinks when eating crabs. Tea should not be eaten with tea, and avoid drinking tea when eating crabs and within one hour after eating crabs; crab fat is the persimmon ripe season, it should be noted that avoid crab and persimmon mixed;

4. Selection of crabs should pay attention to: it must be live and flexible, with a hand over the crabs, can immediately turn over to the body, the good river crabs can continue to spit foam and ringing sound;

5. Crab cleaning: the crab bucket poured a small amount of white wine to deodorize, wait for the crab to be cleaned. White wine to fishy, when the crab is slightly comatose with the back of the spatula will be the crab stunned, with a hand quickly grabbed its back, take the brush towards the crab abdomen has become flat, the corner do not miss, check no silt thrown into another bucket, with water can be rinsed;

6. Do not eat raw crabs and undercooked crabs, although there are raw crabs live shrimp, but this is not desirable;

7. Crab meat is delicious and nutritious, but dead crabs should not be eaten; because crabs like to eat animal carcasses and other putrefactive substances, so their stomach and intestines are often with pathogenic bacteria and toxic substances, once dead, a large number of these pathogens multiply; in addition, the crab body contains more histidine, histidine is easy to decompose, can be produced under the action of the decarboxylase enzyme histidine and histidyl ammonia-like substances, especially when the crab is dead, histidine decomposition is more rapid, and with the death of the crab, histidine is more rapidly. Histidine decomposition is more rapid, with the longer the crab dies, the more the body accumulates histamine, and when the histamine accumulates to a certain amount, it will cause poisoning.