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There are 7 days left, counting down the days to prepare for the New Year!

Of course, fish is indispensable during the Chinese New Year. When I was a child, I often heard old people say that eating fish is smart. Fish is indeed very nutritious and is almost a treasure.

Not only is it rich in essential fatty acids and easily absorbed protein, high in protein and low in fat, it has the effect of strengthening the brain and body; moreover, fish oil is rich in polyunsaturated fatty acids, such as EPA and DHA, which are good for cardiovascular disease. There are benefits to both the nervous system and the nervous system.

But! Notice! There is one part of the fish you should never eat! It is fish gall, and eating even a small amount may cause poisoning.

Basically every year there are incidents of poisoning due to ignorance of the poisonous nature of fish galls.

But, why is it that the fish we mentioned earlier is almost all treasure, but why is the fish gall poisonous?

Why are fish galls poisonous? There is an extract from grass carp bile called sodium carpyl sulfate. When fed to mice, it was found that the mice experienced adverse reactions such as vomiting, curling, and loose hair.

After sodium carpyl alcohol sulfate enters the body, it will damage the mitochondria of the renal tubules, thereby causing cellular energy metabolism disorders.

And this toxic substance has high thermal stability, which means that whether it is swallowed raw or cooked, the toxicity of sodium carpyl sulfate cannot be reduced.

Fish bile also contains a large number of harmful substances, such as histamine, hydrocyanic acid, bile acid, etc. These substances enter the blood after being metabolized by the human organs liver and kidneys, which can cause damage to kidney tissue and myocardium.

Hydrogen cyanide can inhibit a variety of enzyme reactions, interrupt chemical reactions in cells, and then cause cell degeneration and necrosis; bile acid can destroy cell membranes; histamine stimulates the cardiovascular system and nervous system, and increases the number of organs. Capillary permeability, resulting in large amounts of plasma entering tissues.

Which fish gallbladders are poisonous?

Among the aquatic product safety incidents caused by fish that have been exposed, ichthyocholexin is also the primary poisoning factor, mainly grass carp, herring and crucian carp. The gall bladders of common herring, grass carp, carp and silver carp on the market are relatively toxic.

In order to clarify the relationship between the bile toxicity of fish gallbladder and fish species, some scholars collected the bile of 21 species of fish for animal experiments and found that the toxicity of fish gallbladder is closely related to the species of fish.

The experimental results show that the bile of eel, sea catfish, snakehead, catfish, grouper, eel, moray eel, Eel's snake eel, red sea bream, and yellow catfish is non-toxic.

Based on the death time of mice, it was found that crucian carp, bream, herring, dace, silver carp, bighead carp, carp, carp, and grass carp were all toxic.

So, not all fish galls are poisonous, but if you are not sure, it is best not to eat them all.

What are the symptoms of fish gall poisoning?

About 0.5-3 hours after eating fish gall, symptoms of nausea, vomiting, abdominal pain, bloating, and diarrhea will appear. The pain is mainly in the upper abdomen, and the diarrhea will be watery or mushy, several times a day. More than ten times.

In about 2-3 days, patients with acute fish gall poisoning will develop oliguria, general edema, and elevated blood pressure. In severe cases, symptoms of acute renal failure such as anuria and uremia may occur.

After fish gall poisoning, patients mainly present with gastrointestinal symptoms. As the disease progresses, it will cause cumulative damage to the functions of multiple organs such as the kidneys, liver, heart, coagulation disorders, and brain tissue, leading to multiple organ dysfunction syndrome and shock.

Since fish bile metabolism is closely related to human kidney organs, the incidence of renal failure caused by fish bile poisoning is relatively high.

What should I do if I eat fish gall?

After fish gall poisoning, the onset of disease is rapid and the body organs are relatively damaged. There is no specific antidote. Even a small amount of food may cause poisoning.

So, when slaughtering, be sure to clean the fish gall.

If you accidentally break the fish gall, be careful to cut off the fish meat contaminated with bile to avoid poisoning. If the fish gall contaminates the fish meat in a large area, you can throw the fish away for safety reasons.

In case of accidental ingestion, seek medical treatment as soon as possible and thoroughly wash the stomach or induce vomiting to remove the poison;

You can also drink egg white and milk under the guidance of a doctor to protect the gastric mucosa and delay the release of bile. absorb.

If renal insufficiency occurs, it is advisable to receive blood purification treatment as soon as possible.

If patients with severe fish gall poisoning undergo hemodialysis treatment as early as possible, the toxins in their bodies can be effectively cleaned up in a short time, and the imbalance of water, electrolytes and acid-base in their bodies can be corrected, and the toxins can be smoothly eliminated. It is excreted from the body and reduces the damage caused by toxins to its organs.

Therefore, fish gall cannot be eaten. When slaughtering fish, be sure to carefully remove the fish gall. Don’t believe the folk remedies that fish gallbladder can improve eyesight. Fish gallbladder is poisonous.

If you want to know more, "Don't eat this part of the fish: it's highly poisonous!" "Many People Don't Know" for more information, please continue to pay attention to the science and technology information column of Shenzhen Sky. The editor of Shenzhen Sky will continue to update you with more science and technology information. Click to try Heart of the King 2