Efficacy and function: Crabs are cold and salty, and enter the liver and stomach meridians. 1. Anti-tuberculosis crabs also have anti-tuberculosis effects, and eating crabs is of great benefit to the rehabilitation of tuberculosis. 2. Nourishing and detoxifying crabs have the effects of clearing away heat and detoxifying, nourishing bones and marrow, nourishing tendons and promoting blood circulation, dredging meridians, benefiting limbs and 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.
Nutritional 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. Crabs are rich in vitamin D.
Shopping: There are five points in choosing crabs: at first glance, the crab's back armor is blue-gray, shiny, the abdomen is white, the color is bright, there is no imprint on the upper navel, and the limbs are curved and firmly connected. Second weighing: for the sea crabs whose visual appearance meets the requirements, weigh them one by one, and those that feel heavy or heavy are called fat crabs. Three peeling: peeling off the umbilical cap of the sea crab. If the crab yolk condenses in the shell, this crab is a good crab. Four pulls: the legs of the sea crab are all intact, and the leg elasticity of the crab pulled lightly is weak, indicating that it is a fresh sea crab; If the crab is not fresh, gently pull the crab leg, which is not only weak, but also easy to break. Five flavors: If you smell the fishy smell of sea crabs, it means that the sea crabs have gone bad and can't be eaten any more. Eating spoiled sea crabs is easy to cause food poisoning. When buying river and lake crabs, you should first choose crabs with strong vitality and fast climbing; A live crab that spits a lot of foam and has a sound. Full-footed, crab legs are complete and full, crab shells are dark green and shiny, and navel is prominent.