Why can't you eat the dead crab?

Autumn wind rises, crab feet itchy feet

Chrysanthemum bloom, smell crab

For autumn

Crab is an indispensable food on the table

However, although crabs are fragrant, the price is expensive. Some people will buy cheaper dead crabs to eat. Some unscrupulous merchants directly use dead crabs as living crabs. In fact, some dead crabs cannot eat by mistake. It may cause poisoning!

Dead crabs, it's better not to eat

Fresh freshness such as fish, shrimp, crab

It's fresh to be fresh enough to be delicious enough

Those fresh and dying fresh in the supermarket

Often discounted processing

Such as "backstroke bass"

But experts remind that dead river crabs cannot be eaten!

The scientific name of the river crab is "Chinese crab", which is the hairy crabs that we often call, and are distributed in many river lakes in my country.

In the river crab body, free amino acids and nitride -containing compounds are high and the meat is relatively loose, which provides favorable conditions for microorganisms to grow. Higher.

Once the river crabs die, the content of microorganisms in the body will rise rapidly, so even if it is just a crab just swallowing, don't eat it.

However, the sea crabs are different. Due to the special growth environment, there are fewer microorganisms inside and outside the body. After being salvaged, it is easy to die. As long as it is frozen and preserved in time, the dead sea crabs can be eaten, but it should not be stored. Too long.

Eating dead crabs may cause poisoning!

Experts from the Chinese Academy of Aquatic Sciences pointed out that crabs cannot be eaten after death, mainly because the microorganisms in the body are rapidly breeding, and the number of colonies will exceed the standard. Such hairy crabs cannot completely eliminate the microorganisms with family cooking.

Eating dead river crabs may cause waxy -like spores and paranasie -hemolytic pylori food poisoning.

What else is particularly particular about crabs?

1. Do not eat raw crabs, nor marinate wine. Wine cannot completely kill the parasites in the body of raw crabs. If you eat raw food, the risk of parasitic infection is very high, and it will cause hemoptysis. If the parasites enter the brain, it will cause paralysis and other symptoms.

2. There are four parts that cannot be eaten.

They are crab gills, crab intestines, crab hearts, crab stomachs. These parts are organic organs of crab filtering and metabolic waste, which contain a large amount of bacteria and parasites.

3. It needs to be cooked at high temperature. At high temperatures above 100 ° C, after 20-30 minutes continue to cook, you can completely kill microorganisms in the body.

4. Finally, it should not be eaten too much.

Crab's cholesterol content is high, especially the yellow part of the crab. It is recommended that patients with cardiovascular and cerebrovascular diseases eat crab, eat crab meat and eat less crab yellow.

Crab is thin this year, you need to pay special attention to choosing

This year, it was tortured by high temperatures, not only our humans, but also hairy crabs.

When the temperature is higher than 30 ° C, hairy crabs will have symptoms such as anorexia, soft joints, weak exercise, and slow growth. When they are above 35 ° C, they can hardly eat, and they have no strength to molt. Essence

At the same time, high temperatures can easily increase the number of microorganisms in the water, coupled with decreased rainfall, increased transportation difficulty, and rising prices ... This year, it is not easy to "dazzle" crabs.

If you want to pick a few crabs, look at these four points:

At first glance, the crab shell is blue;

Second, look at the white belly, sticking the umbilical belly shell, crystal clear and white; the third look at the yellow hair, the hair of the crab legs is yellow, and the roots are upright; the fourth is golden claws, the crab claws are golden, solid and powerful.

Do you like crabs?

(Source: CCTV, popular science China, Jimu News, Red Star News Cover: Ma Jingjing Organization: Feiyinmei)

[Edit: Yu Lina]

- END -