Why can't you eat the dead crab?

Autumn wind rises, crab feet itching;

The chrysanthemums are blooming, and the crabs are heard.

For autumn,

Crab is an indispensable food on the table.

However, the crab is fragrant,

The price is expensive,

Some people will buy cheaper dead crabs to eat,

There are also some unscrupulous merchants,

Sell ​​directly as a live crab for dead crabs.

In fact, in fact,

Some dead crabs cannot be eaten,

Mistakes 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,

Those fresh and dying fresh in the supermarket,

Often will be discounted,

Such as "backstroke bass".

Joy back, kidding,

Expert reminder,

Dead river crabs cannot be eaten!

The scientific name of the river crab,

It is "Chinese velvet crab",

This is the hairy crabs that we often say,

There are distribution in many river lakes in my country.

Inside the river crab,

The content of free amino acids and nitrogen -containing compounds is high,

The meat is relatively loose,

Provide favorable conditions for microorganisms,

And the river crabs grow in the mud,

The living environment is suitable for microorganisms,

This leads to a high base of the total number of colonies in the body of fresh river crabs.

Once the river crabs die,

The content of microorganisms in the body will rise rapidly,

Therefore, even if it is a crab just swallowing,

Don't eat either.

However, sea crabs are different,

Due to the special growth environment,

There are fewer microorganisms inside and outside the body,

After being salvaged,

Very easy to die,

As long as it is frozen and preserved in time,

Dead sea crabs can be eaten,

But it should not be stored for too long.

Eating dead crabs may cause poisoning!

Experts from the Chinese Academy of Aquatic Sciences pointed out,

Can't eat crabs after death,

Mainly because of the rapid reproduction of microorganisms in the body,

The number of colonies caused by exceeding the standard,

Such hairy crabs,

Use family cooking method,

It cannot completely eliminate the microorganisms.

Edible dead river crab,

It may cause waxy -like spores,

Portal -soluble pyrobacterial food poisoning.

Expert interpretation

What else is particularly particular about crabs?

Chinese people are very particular about eating crabs,

Exquisite "eight crabs",

Is the classic representative of crab culture,

Easy to "eight crabs".

Pay attention to four additional points when eating crab:

First of all, do not eat raw crabs,

The wine is not very marinated.

The wine can not completely kill the parasites in the crab body,

The risk of being infected by parasites is very high,

Light causes hemoptysis,

If the parasite enters the brain,

The focus can also cause symptoms such as paralysis.

Second, there are four parts that cannot be eaten,

They are crab gills, crab intestines, crab hearts, crab stomachs,

These parts are organs of crab filtering and metabolic waste,

Contains a large amount of bacteria and parasites.

Third, you need to cook high temperature,

Now eat, do it,

At high temperature above 100 ° C,

After continuous cooking for 20-30 minutes,

It can completely kill microorganisms in the body.

Finally, it should not be eaten too much,

Crab's cholesterol content is high,

Especially the crab yellow part,

It is recommended that patients with cardiovascular and cerebrovascular diseases eat crabs,

Eat crab meat in appropriate amount and eat less crab yellow.

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

This year was tortured by high temperature,

Not only we human beings,

There are also hairy crabs.

When the temperature is higher than 30 ° C,

Hairy crabs will appear anorexia, joints become soft,

Symptoms such as weak exercise and slow growth,

At 35 ° C,

They almost don't eat,

There is no strength to molt,

Can't grow smoothly into fat.

at the same time,

High temperature is also easy to increase the number of microorganisms in water,

Coupled with reduced rainfall, increased transportation difficulty, increased prices ...

I want to "dazzle" crabs this year,

I'm afraid it's not easy.If you want to pick a few crabs, you have a blessing,

Just look at these four points:

At first glance, the crab shell is blue;

Secondly, look at the white belly, sticking the umbilical belly shell, crystal clear and white;

Three look at yellow hair, the hair of the crab legs is yellow and yellow, and the root is straight;

Four look at the golden claws, the crab claws are golden, solid and powerful.

Do you like crabs?

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Edit: Yun Chengzhang

Editor in charge: Li Hongxia

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