Where can't I eat fish heads? What parts of the fish can't I eat?

The brain in the fish head can't be eaten. It's best not to eat the whole fish head. You can't eat fish gall, fish skin and abdominal black membrane in fish parts.

The highest mercury content in fish is fish head. If you eat fish in polluted water, the fish head is a bad place. If the mercury in the human body exceeds the standard, it is likely to induce mercury poisoning.

Fish gall is the gallbladder of fish, and it also secretes bile for digestion. Bile in most river fish bile is toxic, which is more toxic than arsenic. Once taken by mistake, it is likely to damage the liver and kidney of the human body, leading to liver and kidney necrosis.

Fish skin is also rich in heavy metals, and the mercury content in fish skin often increases and accumulates with the growth of fish. The older a fish is, the more mercury it has in its skin.

There is a black film on the inner wall of fish belly, which is also called fish belly black film. The black membrane of fish abdomen has a protective effect on fish abdomen, which can prevent harmful substances in fish viscera from infiltrating into muscles. However, the black film of fish belly is also a gathering place of toxic substances. So before eating, be sure to take it out and use it again, otherwise it will be easily poisoned.

Extended data:

Nutritional value of fish;

1, promoting development: A diet rich in omega-3 fatty acids is particularly important for pregnant women, which can promote the development of fetal brain and nervous system. Eating 3~4 servings of seafood including fish every week can significantly improve the intelligence level, language expression ability and sports ability of babies after birth.

2. Longevity: After 16 years of observation, a new study found that eating fish can really help people live longer. The researchers found that the intake of beneficial fatty acids in fish can reduce the death rate by 27%, and people who insist on eating fish will live two years longer than those who don't eat fish.

3, protect the skin: fish oil has many benefits to the skin, can regulate oil secretion and help moisturize. In addition, studies have shown that eating more fish can protect the skin from ultraviolet rays, which is beneficial to protect the skin collagen, thus preventing the skin from sagging, wrinkles or sagging.

People's Network-Fish has 9 nutritional values. Which parts of the fish can't be eaten?

People's Network-Never eat fish in this place, it is more poisonous than arsenic!