1, five tied type preservation
Choose energetic crabs, these crabs tied up with a rope, to prevent them from moving around to consume energy; after that, prepare a box or a foam box, will be tied up one by one yards into a layer of crabs, put it well, prepare a wet towel, use a wet towel to cover the crabs, and after that so that the crabs Put into the refrigerator freezer, but this method can only be kept for about three days. After a long time, the crabs can not live.
2, boiled and frozen
This method can be preserved for a longer period of time, but the crabs should be steamed first. After the crabs are cleaned, boil a large pot of water, put ginger and a little white wine in the water, and then put the crabs on top of the steamed, after the crabs are steamed and thoroughly cooled, and then put into a bag, it is best to pump the air in the bag, so that it is in a vacuum, thrown into the refrigerator freezer to save. Eat when you take out to thaw seasoning on the line.
Tips for identifying crab freshness
1, pick up the crab and touch its eyes with your hand to see if it blinks, and blinking means it's fresh.
2. Put the crab into the water and see if the crab's mouth spits out bubbles, which indicates freshness. Be careful not to put the bundled crab into the water for a long time, because the water is not enough oxygen, the crab will be suffocated and die soon.
3. Touch the claws. Straighten the smallest claw of the crab and see if it bends quickly and naturally, if it does, the crab is alive.
4, untie the bundled crab, see if the crab will crawl on the ground, can crawl means that the crab is very energetic.