1, cold room: can't eat.

The temperature of the freezer is about 3- 10 degrees. At this temperature, the blue crab is easy to die. Generally speaking, blue crabs frozen to death in the freezer for 3-4 hours can be eaten, but one night is too long to continue eating.

2, freezer: edible.

If the live blue crabs are stored directly in the refrigerator, the edible period of the blue crabs can be kept for a long time. If they die after freezing overnight, they can still be eaten. At this time, the taste and meat quality of frozen blue crabs have not changed much, so they can be safely eaten.

Correct preservation method of blue crab

1, soaked in light salt water. Cut the binding rope of the blue crab and put it in light salt water, the proportion of salt water is 35: 1000, and the water level is suitable for the mouth of the blue crab, which can be stored for 5- 10 days.

2. Store at room temperature. Put the bought blue crabs in a ventilated and humid environment at the temperature of 8- 18℃, and remember not to be exposed to the sun and wind. They can be stored for about 1-2 days. It is recommended to eat as soon as possible.