The fish is tender and nutritious, containing a large number of minerals and vitamins, especially fatty acids, which prevent the increase in blood viscosity and protect the eyes, retina, nerve tissues and brain and heart. In addition, fish also contains iodine, selenium and fluorine needed by the human body to maintain mineral balance, which is suitable for almost every age group. Children often eat fish to grow fast and develop well, and adults often eat to become stronger and longer lifespan. But when eating fish, be vigilant, some parts of the body can not be eaten, so as not to lead to stomach perforation.
Fish are prone to parasites in their bellies, which are called tongue tapeworms, which are easily infected with grass carp, crucian carp or silver carp. It does look disgusting, but there is no crossover danger to the body, as long as it is cleaned up and cooked before eating. But not cooked, the tongue tapeworm will parasitize in humans. It also contains a large number of parasites in freshwater and marine fish, the most common of which is iscanthus, which is generally found in yellow croaker, cuttlefish and cod. Once inside the body, it will be infected with iscus nematode disease, mild gastrointestinal discomfort, severe abdominal pain and nausea and vomiting, the most serious is caused by gastric perforation and peptic ulcer. Isoscephalus, not only enters the digestive tract, but may also transfer to other tissues in the body.
1. Fish bile
Some people think that fish bile can clear the fire, but in fact, there is no scientific basis for this. Most fish galls are poisonous, such as grass carp bluefish, silver carp fathead fish and crucian carp. When cleaning the internal organs, the fish bile must be thrown away, and if it is accidentally broken, it should be rinsed with running water and do not let the bile enter the eyes. The entry of fish bile into the body can cause the failure of many important organ functions, such as the liver, kidneys and heart, and even lead to acute upper gastrointestinal bleeding and be life-threatening.
2. Fish head
There is indeed a wealth of DHA and EPA in fish heads that can protect the cardiovascular system and prevent dyslipidemia and cardiovascular disease, but it cannot supplement the brain at all. Fish heads are prone to accumulate heavy metals, especially mercury, which can affect children's intellectual development. When buying crucian carp, try to choose less than 250 grams, the smaller the crucian carp, the lower the mercury content.
3. Fish skin
As the fish age, the more mercury is found in the skin. If you like to eat fish skin, try to choose a small one.
4, fish black
Most fish have a black coat on both sides of the abdomen, which is the most fishy and earthy part of the fish's body. It contains a large number of lysozymes, histamines and lipids, etc., if eaten by mistake, it may cause headaches and dizziness, vomiting abdominal pain and chest pain, especially lysozyme will inhibit people's appetite.
5. Fish roe
Fish roe contains a lot of lecithin, which can protect the nervous system, but eating too much can easily cause obesity. Especially patients with cardiovascular and cerebrovascular diseases should eat less, because there is a lot of cholesterol in it. Don't look at the small size of the roe, but it is difficult to be cooked thoroughly when cooked, and it is easy to cause indigestion after eating. If you like to eat fish roe, you must cook thoroughly before eating, you need to control the amount, can not eat too much. Not all fish roe can be eaten, such as puffer fish and catfish roe are highly toxic, and after eating it can cause diarrhea and abdominal pain, difficulty breathing and vomiting.
Tips
Usually when buying fish, you must be vigilant, generally infected by parasites, the abdomen is large, the whole fish looks dull and black. If you buy a fish with parasites, if you are reluctant to throw it away, you need to clean it up and cook it thoroughly before eating it.
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Resources: [1] "When you find this thing in the belly of the fish, stop chopsticks immediately!" Otherwise, be careful of stomach piercings, the body is full of worms. Health daily push.2019-01-22 [2] Remember! Do not eat this part of the fish's body". Dr. Lilac.2018-09-15