Haihong is sold less and less in the market, not because it is forbidden to eat, but because it must be purchased through formal channels when eating. The nutritional value of sea red itself is very high. Toxins in sea rainbow are generally formed by ingesting toxic unicellular algae and enriching them in the body. Perhaps it is related to the local water quality being polluted to varying degrees.

The toxin of Neisseria gonorrhoeae may generally exist in bivalves, and cooking cannot eliminate this heat-resistant toxin. Relevant experts specially reminded that in order to prevent shellfish poisoning, it is necessary to remove the internal organs of shellfish before cooking, avoid eating cooking juice and eat less shellfish every time. It is forbidden to eat sea rainbow because in Qinhuangdao, many people are poisoned by eating sea rainbow, which spreads slowly and causes psychological stress.

Nutritional value of sea rainbow

The nutritional value of sea red is particularly high. It is a high protein food. It is said that its protein content is as high as 53%. People can absorb and utilize protein as soon as possible after eating sea red. Regular consumption can meet the needs of normal metabolism of human body for protein, replenish physical strength, relieve physical fatigue and improve human quality.

Haihong also contains fatty sugar and inorganic salts, carbohydrates and vitamins. In addition to these nutrients, it also contains trace elements such as calcium, phosphorus, iron and a variety of amino acids beneficial to human body. These nutrients are necessary for normal metabolism of human body. They can relieve physical weakness and improve the functions of various organs of the body, which is of great benefit to maintaining human health.