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, continuing injuries, nourishing liver yin and filling gastric juice. It has a certain therapeutic effect on diseases such as congestion, injury, jaundice, soreness of waist and legs and rheumatoid arthritis.
Nutritional value: 1. Crab is rich in protein and less in fat and carbohydrate. 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 to choose a crab: at first glance, the crab's back carapace is blue-gray, shiny, its abdomen is white, its color is bright, there is no imprint on the upper navel, and its limbs are firmly connected in a curved shape. Second weighing: for the sea crabs whose appearance meets the requirements by visual inspection, weigh their weight one by one, and the ones that feel heavy or heavy are called fat crabs. Three peeling: peel off the umbilical cover of the sea crab. If the crab yolk condenses in the shell, the crab is a good crab. Four pulls: the legs of the sea crab are all intact, and the legs of the gently pulled crab have weak elasticity, indicating that they are fresh sea crabs; If the crab is not fresh, gently pulling the crab leg will not only have no weak force, but also the crab leg will easily break off. Five smells: If you smell the fishy smell of sea crabs, it means that the sea crabs have gone bad and can no longer be eaten. Eating spoiled sea crabs can easily cause food poisoning. When buying crabs from rivers and lakes, you should first choose crabs with strong vitality and fast climbing; A live crab that spits a lot of foam and has a sound. The whole foot, the crab legs are complete and full, the crab shell is dark green and shiny, and the navel is prominent.