Meizitang are rich in calcium

Autumn, chrysanthemum is sweet crab fat, it is people enjoy crab the best time. Crab meat tender, flavour is delicious, for the rare aquatic products. Crab nutrition is extremely rich in the protein content than pork and fish. They meizitang are rich in calcium, phosphorus, iron and vitamin A and higher levels. Autumn crabs have tasty nutrients, but if eat undeserved, may bring health damage.

S eat dead crab will poisoning

When crab dead or dying, crab the body will produce oxygen acid decomposition of histamine. Histamine for a poisonous substance as the death the extension of time, the body of accumulation of crab histamine is more and more, gas is more and more big, even if the crab cooked, the toxin is not easy to be destroyed. Accordingly, must not eat dead crab.

Want to buy fresh crab, choose to do when crab “five see” : a see color; 2 see individual; Three see navel; 4 look crab hair; Five see action. The color of the crab to green back white belly, gold claw yellow hair; the individual meizitang must big; Navel to protrude; to crab hair bushes; Quick action should be active. Meet the article five of just good buy.

S the crab the most safe to eat cooking

Crabs grow in rivers and lakes, and loves eating small organisms, aquatic plants and animals to rot, crab of the body surface, gill department and gastrointestinal tract are stained with bacteria, viruses and other pathogenic microorganisms. If it is eaten raw, pickled eat or drunk eat crab, may be infected with a lung called the chronic parasitic diseases.

Research found that live crab the body trematode larvae You cystic lung infection rates and infection degree is high, lung trematode parasitic in their lungs, stimulate or destruction of lung tissue, can cause cough and even haemoptysis, if into the brain, can cause paralysis. According to expert investigation, the crab slightly after heating eat, trematode lung infection rate was 20%, and eat crab and marinate drunk crab, trematode lung infection rates as high as 55%, and botanical slimming meizitang raw crab, trematode lung infection rates as high as 71%. Lung trematode capsule You resistance is very strong, 55 ℃ in general to the water bubble 30 minutes or 20% salt water for marinate for 48 hours to kill. Raw crab, also may be vice hemolytic vibrio infection, vice hemolytic vibrio into a person experience developed infectious poisoning, show the intestinal inflammation, swelling and congestion and other symptoms.

So, to eat with the crab is the cooking of the health and safety. Cooking crabs, note that in water after open at least cook for another 20 minutes, cooked through the crab meat might bacteria killing. A little is also very important, eat from his gills, must be crab crab stomach, heart, bowel four kind material, these four things contains bacteria, viruses, sludge meizitang and so on.