The head of crayfish is inedible. The circulatory system, respiratory system and reproductive system of shrimp are all concentrated in the head and chest, and the abdomen can be said to be just a moving organ. The head of crayfish absorbs and processes the most toxins, and it is also the place where pathogens and parasites are easily accumulated.

From a health point of view, it is really not recommended to eat shrimp heads, which are easy to absorb heavy metals and bacteria. Eating the head of crayfish may cause allergies and acute gastroenteritis, and the head and neck of lobster may cause paragonimiasis.

Extended data

Precautions for eating crayfish:

1, go to the regular market to buy and choose crayfish with big head, white shell and strong vitality.

2. Before cooking, it can be stocked in clear water to spit out impurities such as sediment in the body, cut off shrimp gills and claws, brush shrimp shells with a brush, and steam them thoroughly during cooking.

3. When eating, be sure to peel off the shell and remove the internal organs.

4. Don't eat with persimmon, pomegranate, grape and hawthorn to prevent tannic acid in these foods from forming insoluble substances with calcium in shrimp, causing gastrointestinal discomfort.

People's Network-How to judge whether crayfish is fresh and healthy? Pay attention to 7 o'clock when eating crayfish.

People's Network-Can the head of crayfish be eaten? Pay attention to five points when eating crayfish