Reminder:Autumn eating crabs you are not necessarily suitable

Autumn, chrysanthemum yellow crab fat, is the best time for people to taste crabs. Crab, tender meat, delicious flavor, rich protein content than pork, fish are several times higher, calcium, phosphorus, iron and vitamin A content is also higher. But if eaten improperly, it may damage health.

■Eating dead crabs can be toxic

When crabs are dying or have died, the histoxic acid in the crab body will decompose to produce histamine. Histamine is a poisonous substance, with the prolongation of the time of death, the crab body accumulates more and more histamine, more and more poisonous, even if the crab is cooked, this toxin is not easy to be destroyed. Therefore, never eat dead crabs.

Want to buy fresh crab to "five look": a look at the color; two look at the individual; three look at the navel; four look at the crab hair; five look at the action. Crab color to green back white belly, golden claw yellow hair; individual to large and old healthy; navel to the outward projection; crab feet to crab hair clusters; action to be agile and active.

■ Eat steamed and cooked crab

The safest crab grows in rivers and lakes, and likes to eat small creatures, water plants and decaying animals, crab body surface, gills and gastrointestinal tract are full of bacteria, viruses and other disease-causing microorganisms. Eating crabs raw, pickled or drunk may lead to infection with schistosomiasis.

Research has found that the infection rate and degree of infection of larval cysts of Schistosoma pulmonarum in live crabs are very high, and Schistosoma pulmonarum parasites in the lungs, stimulate or destroy lung tissues, which can cause coughing and even hemoptysis, and if they invade the brain, they can cause paralysis. According to expert examination, the crab is slightly heated and eaten, schistosoma infection rate of 20%, eat pickled crab and drunken crab, schistosoma infection rate of up to 55%, and eat crab raw, schistosoma infection rate of up to 71%. The resistance of Schistosoma lungis cysts is so strong that they are usually killed by soaking in 55℃ water for 30 minutes or pickling in 20% salt water for 48 hours. Eat crabs raw, but also may be infected by Vibrio parahaemolyticus, Vibrio parahaemolyticus large number of invasion of the human body will be infectious poisoning, showing symptoms such as intestinal inflammation, edema and congestion.

So, eating steamed and cooked crabs is the most hygienic and safe. When steaming crabs, it is important to note that the water should be boiled for at least 20 minutes after boiling, so that the germs on the crab meat can be killed by cooking it thoroughly.

■Eating crab is not for everyone

Crab is cold, the spleen and stomach cold people should eat as little as possible, eat can be dipped in ginger vinegar juice, to go to its cold.

In addition, suffering from cold, fever, stomach disease, diarrhea should not eat crab, otherwise it will exacerbate the condition, suffering from high blood pressure, coronary heart disease, arteriosclerosis, try to eat as little as possible crab, in order to avoid cholesterol increase. In addition, crabs should not be eaten with tea and persimmons, because tea and persimmons in the tannins and crab protein encounter, will solidify into indigestible lumps, so that people appear abdominal pain, vomiting and other symptoms, which is often referred to as the "gastric persimmon group disease.