sabotage
Every 65438 000g of crab edible part contains 65438 07.5g of protein, 2.8g of fat, 65438 082mg of phosphorus, 65438 026mg of calcium, 2.8mg of iron, and abundant vitamin B 1 and vitamin A.
Common sea crabs are swimming crab, snow crab and blue crab. Among them, the snow crab basically died outside the water after being caught, and the swimming crab can be cultured artificially.
Portunus and snow crabs have good food quality and growing environment, and can be eaten after death. When choosing crabs, it is better to have a blue-black back shell, a shiny belly button and a white abdomen.