Crab meat is delicious, but also has a very high nutritional value and medicinal value, and therefore loved by the public, every year in September is the time of the crab market, a lot of buy crabs are to buy a lot of back, but the crab can not be eaten too much at a time, the rest of the crab how to do it? Throw away and feel wasteful, put in the refrigerator, and some people will have questions, the crab put overnight can still eat?

Crab

1 crab overnight can eat

Crab overnight can eat.

Overnight crabs are properly preserved, the next day when eating and heating raw crabs steamed and boiled through the same, so it is still safe to eat, but it is best not to eat more than the next day at noon.

Crab overnight can eat

2 crab how to save good

Generally, the crab can be placed in the refrigerator freezer, so that the preservation temperature is maintained at 5 to 10 degrees Celsius, covered with a wet towel can be. The low temperature of the refrigerator can slow down the crab's metabolism and prolong its survival time.

Steamed crabs should not be stored for too long to avoid being contaminated by bacteria, and those that are not consumed should be kept in a clean, cool and ventilated place.

Crab how to save good

3 crab save too long will be

Crab save time is too long, the meat becomes not fresh, and the dead crab body contains more histidine, if the crab body is contaminated by bacteria, the histidine in the crab is decarboxylase enzyme, decarboxylate into histamine and histamine-like toxic substances, eat this crab, is equal to Eating this kind of crabs is also equal to eating toxins, when the human body histamine reaches a certain amount, it will cause poisoning.

What happens when crabs are kept for too long

4 What are the symptoms of eating dead crabs

The incubation period of eating dead crabs is 4 to 12 hours, with paroxysmal pain in the epigastrium and diarrhea, and some of the patients will have nausea, vomiting, fever, dizziness, fatigue and other symptoms, and a small number of patients will have a drop in blood pressure.