Yes, you can steam for 15-20 minutes after the water boils, and the time can be adjusted appropriately according to the size of the crab.

There are a large number of microorganisms present in aquatic products, and a high percentage of contamination with bacteria such as Vibrio parahaemolyticus and Vibrio cholerae, and even with a variety of parasites, which must be effectively heated and sterilized in order to ensure safety.

Eating live crabs should be steamed and boiled through, live crabs can be metabolized through the body bacteria out of the body. Once the crab is dead, the bacteria in the body will multiply and decompose the crab meat, and some bacteria also produce toxins, causing food poisoning.

Precautions

1, the selection of crabs is actually very simple, look at the location of the navel of the crab, yellow and red are good crabs, generally can not be wrong, such as the recipe in the picture.

2, again emphasize, the crab must buy live.

3, the steaming time to the size of the crab, the general crab in the water after the steam on the 12-15 minutes or so can kill the parasitic bacteria in the crab, but if it is more than four and a half large crab, you need to steam on the three or four minutes. It is important to ensure that the crabs are fresh and tasty, but also clean and hygienic to eat.