River crabs can be kept frozen. Crabs will not die if kept frozen for about 24 hours.

In fact, in order to preserve the freshness of the crabs are to go to the cold chain transportation, before transportation will be frozen, low temperature can inhibit the activity of bacteria and parasites in the body of the crabs, but also can slow down the degradation of the crab's own protein, the crab will be preserved by freezing, the nutrients and the taste of the crabs have almost no effect, you can rest assured that the food.

River crab precautions

Living crabs contain parasites in their bodies, and the infection rate of such parasites is extremely high. Eating crabs raw is likely to allow the Schistosoma pneumoniae parasitized in the body of the crab to parasitize the human lungs, destroying or stimulating the structure of the lung tissues, which will lead to coughing, pneumonia, intestinal inflammation, hemoptysis and other diseases.

The four parts of the crab are crab gills, crab stomach, crab heart and crab intestine, which are not edible. Crab gills are in the abdomen of the crab, two rows of soft things, in the shape of eyebrows; crab stomach in the crab cover inside, is a small bony package, in the shape of a triangle; crab heart in the body of the crab, is a sheet, in the shape of a hexagon; crab intestines are connected to the umbilicus of the crab a black line.