About 15 minutes. After the crabs are in the pot, the total heating time should not be less than 15 minutes. Crabs live in shallow water and are highly susceptible to parasites, which do not tolerate high temperatures. 15 minutes of steaming at high temperatures can kill the parasites completely, and the time is not too long, which will not result in the crab meat being too old. Crab is rich in protein and trace elements, and has a good nourishing effect on the body. Crab contains more vitamin A, which is helpful for the keratinization of the skin. Crab also has an anti-tuberculosis effect, eating crab is very beneficial to the recovery of tuberculosis.

Cleaning crab notes:

1, cleaning the crab before the dead crab to pick out, so as not to clean the crab are fainted, there is no way to distinguish between the dead and alive crab.

2, the crabs raw nature, has a certain aggressiveness, cleaning the best tied, if not tied, before cleaning must be sure that the crabs have fainted.

3, the crab joints of the junction is easy to hide silt and parasites, cleaning the crab should be carefully cleaned and view.

4, the crab tied can not distinguish between dead and alive, you can touch the eyes of the crab, will blink is a live crab.