1 How long can crabs be kept in the refrigerator

It depends.

Crabs as a kind of aquatic organisms, leave the water if not properly preserved, then it is very easy to lead to the death of crabs, will be placed in the refrigerator to save, if it is a dead crab, then the refrigerator can be kept under the condition of freezing for about 6-8 hours; under the condition of freezing can be kept for about 12-24 hours.

But if it is a live crab, put it in the refrigerator for freezing, it can be saved for about 2-3 days; but if it is put in the refrigerator for freezing, then it can only be put in for 2 hours to avoid too much time leading to the death of the crab.

2 How long do you need to steam the crab to cook it

It needs to be steamed for about 15-20 minutes.

Crab taste sweet and salty cold, which contains a lot of vitamins, proteins, fats, cholesterol and calcium, iron, phosphorus and other components of the material, nutritional value as well as food value is relatively high.

For the general size of the crab, steam about 15-20 minutes almost cooked; for some of the larger crabs, you need to steam about 20-30 minutes to steam it, specific can be crab shells become red as a standard.

3 What happens if you eat a dead crab

Depends on the situation.

Crabs are generally recommended to eat fresh, it is best not to eat dead crabs, but if the crab is not dead for a long time, in the preservation conditions in the specified time to eat, then such crabs can still be eaten, and will not pose a threat to human health.

However, if the crabs are kept for a long time after death, bacteria and microorganisms have developed, eating crabs at this time may lead to abdominal pain, diarrhea and loose stools and other symptoms, posing a threat to human health.

Precautions

If you eat dead crabs, the body appeared obvious symptoms, it is recommended to go to the hospital in time to avoid delaying the condition of their own health threat.

4 How to save fresh crabs

Life fresh crabs if the short time to save, then you can put it in the refrigerator, so you can play a better role in preservation; but if you want to save the crabs for a longer period of time, it can be placed in a basin or a bucket of water, change the water at regular intervals as well as feeding the food, so that it can be saved for at least 7 days or so, the time is relatively long.

Tips

The water to be added to preserve crabs depends on the species of the crab, if it is a river crab, then you only need to add fresh water; if it is a sea crab, then you need to add seawater or salt water.