Can eating crab cause food poisoning?

summary

Usually when we eat crabs, we must pay attention to choose fresh ones, because the protein of rotten crabs will decompose some substances, which will easily cause physical discomfort after eating, and then lead to food poisoning. Therefore, we should pay attention to the following elements when eating crab. Now, let's take a look.

Can eating crab cause food poisoning?

Crab is a delicious food rich in vitamins, which is favored by people. According to analysis, every 100 grams of crab meat contains 14 grams of protein, 5.9 grams of fat, 7 grams of carbohydrate, 129 mg of calcium, 145 mg of phosphorus, 13 mg of iron, 0.71 mg of riboflavin and 960 IU of vitamin A. Crab also has certain medicinal value, it has the effect of promoting blood circulation to remove blood stasis, detumescence to relieve pain, strengthening tendons and bones. It is commonly used in the treatment of traumatic injury, promoting blood circulation to remove blood stasis, broken bones and muscles. However, some people will have abdominal pain, diarrhea, nausea and vomiting and other symptoms after eating crab. The main reason is food poisoning caused by not paying attention to hygiene.

It is not suitable to eat dead crabs. After being caught, river crabs often struggle and consume glycogen in the body, which increases lactic acid in the body. The rigid period and autolysis period after death are greatly shortened, and the bacteria in the body of the crab will rapidly propagate and spread to the crab meat. Under weak acid condition, bacteria will decompose amino acids in crab body and produce a lot of histamine and histamine like substances.

Not suitable for eating raw crabs: river crabs grow in the mud of rivers and lakes. They feed on animal carcasses or humus. As a result, the surface, gills and gastrointestinal tract of crabs are covered with all kinds of bacteria and mud. Before eating, brush the crab's body surface, gills and umbilicus clean, steam and cook thoroughly before eating.

matters needing attention

Some people get sick because they don't wash the crabs clean and can't steam them thoroughly, or because they eat drunk crabs or pickled crabs raw and eat the bacteria or parasite larvae in the crabs. Crabs often carry the cyst of parahaemolyticus and Vibrio parahaemolyticus. Without high temperature disinfection, parahaemolyticus can cause lung damage after entering the human body. If a large number of Vibrio parahaemolyticus invades the human body, infectious poisoning will occur, showing symptoms such as intestinal inflammation, edema and congestion. Therefore, the crab should be cooked thoroughly. Generally, the crab can be disinfected only when it is heated for more than 30 minutes after boiling.