Crabs are divided into river crabs and sea crabs, river crabs can not be frozen to save, will be frozen to death, the death of the river crabs can not be eaten, it is generally recommended that the river crabs tied in the refrigerator after the freezer to save, covered with a layer of wet towels can be, can be saved for about three days or so. Sea crabs can be kept frozen, but generally do not exceed three months or more, because freezing for too long will also cause the sea crab dehydration and deterioration.

September of the lunar calendar, female crabs are full of eggs, the crab yolk is fresh and fragrant grease is delicate, October male crabs have the best gonadal development, this time the yellow fat paste white, crab paste taste rich and smooth. It is said that "the autumn wind, crab feet itch, chrysanthemum blossom, smell crab", every year in September ~ October is the crab yellow oil full of time, so there is a gourmet said "autumn to eat crab for the most grand thing". In autumn, chrysanthemums and crabs are fat, which is the best time for people to taste crabs. River crabs can't be frozen and preserved, while sea crabs can be frozen and preserved.

Crab freezing can be frozen mainly according to the following two cases

1, river crab, generally not recommended to save the river crab frozen, can be put in the freezer, and the temperature should not be too low, it is best to cover the surface of the crab with moist gauze, so as to prolong the crab's survival time.

2, sea crabs, sea crabs can be frozen for a short period of time to save, because the freezing time process will lead to sea crabs due to dehydration for too long and deterioration of crab meat and crab paste protein content is high, so after deterioration will breed mold and yeast, bacillus spp., Pseudomonas spp. and other bacteria, and the release of a certain amount of hydrogen sulfide, the utility of too much will affect the body's health.

In summary, the crab can be frozen and preserved, a single recommendation for the best short-term preservation of food, and it is recommended that the best for river crabs to do a short period of refrigeration preservation, dead river crabs more than 1 day after the try not to eat.

Sea crab preservation methods

1, fresh sea crabs can be put into a clean container, with brown rice mixed with two beaten eggs, and then sprinkle some black sesame seeds, with this mixture poured into the container, submerged crab shells, and then use a dark cloth to cover the mouth of the container, to be able to breathe, but not through the light. This will prolong the survival time of the crabs and will fatten the taste of the sea crabs.

2, it is best to keep them directly at home, put the sea crabs in a pot with a little shallow water, add a breathable lid, according to the storage time and the number of small fish and shrimp put a small amount of small fish and shrimp, want to eat as much as you want to take as much.

3, the sea crab into the refrigerator freezer freezing preservation, can be stored for about 1-3 months. Sea crabs treated in this way will retain the fresh flavor, and the steps are simple.