Crab, Animal Kingdom, Arthropoda, Crustacea, Decapoda, Reptiles. Crabs are crustaceans. Their bodies are protected by hard shells. Crabs breathe with their gills. Taxonomically, crabs are the same kind of animals as shrimps, lobsters and hermit crabs. Most kinds of crabs live in or near the sea. Of course, some crabs live in fresh water or land. They rely on the mother crab to give birth to small crabs, and every time the mother crab will lay a large number of eggs, the number can reach more than one million. Crabs rely on the geomagnetic field to judge their own direction. China has a long history of eating crabs, which is recorded in Yiwuhui Street and Tianguan Bubble Man.

nutritive value

1. Crabs are rich in protein and have less fat and carbohydrates.

2. The cholesterol content in crab roe is high.

3. Crabs are rich in trace elements such as calcium, phosphorus, potassium, sodium, magnesium and selenium.

4. crabs are rich in vitamin D.

Edible efficacy

1, anti-tuberculosis: crabs also have anti-tuberculosis effects, and eating crabs is of great benefit to the rehabilitation of tuberculosis.

2, nourishing, detoxification: crabs have the effects of clearing away heat and toxic materials, nourishing bones and marrow, nourishing tendons and promoting blood circulation, dredging meridians, benefiting limbs, continuing injuries, nourishing liver yin and replenishing gastric juice. It has a certain therapeutic effect on congestion, injury, jaundice, waist and leg pain, rheumatoid arthritis and other diseases.