Steamed slightly red on it.

The average size crab, after the water boils, keep the water boiling for another twenty minutes. It will be able to kill all the parasites inside. However, when it comes to individual crabs that are particularly large, you need to increase the time at your discretion (the center temperature rises more slowly).

Nutritional analysis of crabs and food taboos:

A nutritional analysis

Crab is rich in protein and trace elements, and has a good tonic effect on the body. Crab contains more vitamin A, keratinization of the skin is helpful. Crab also has an anti-tuberculosis effect, eating crab on the recovery of tuberculosis is greatly beneficial.

Two, eating taboos

Live crab body of schistosoma - high foot crab worm larvae cysts infection rate and degree of infection is very high, schistosoma parasites in the lungs, stimulate or destroy lung tissue, can cause coughing, and even hemoptysis, and if invasion of the brain, it will cause paralysis.

Pregnant women are not allowed to eat crabs, and should not eat crabs throughout their pregnancy.