Why is pufferfish poisonous
Pufferfish is a highly toxic creature, pufferfish ovaries, liver, muscle, blood are poisonous, pufferfish muscle does not contain toxins, of which the ovaries and liver toxicity is the strongest, the muscle and blood also contains a small amount of tetrodotoxin. It only takes 0.5 milligrams of venom to kill a person, so it can be considered a very dangerous creature. The toxicity of tetrodotoxin varies with the seasons, with the strongest toxicity occurring in the spring. Fugu is a delicacy after special "sterilization" treatment, and many people enjoy eating it. In addition, salt pickling and sunlight can not destroy the toxin, so the toxin is very strong, so we should pay attention to the encounter, especially when handling, if it is not a professional, it is best not to get, to avoid poisoning.
How to deal with puffer fish is not poisonous
Remove the parts of the puffer fish body with toxins can be, the general cooking puffer fish experts will be the first to bleed the puffer fish, and so on its death before removing the viscera, the puffer fish fish eyes, fins removed in the scraping open the belly of the fish to remove the viscera, to have been running water to rinse the puffer fish fish fish body, and the puffer fish fish to remove all the skin to remove the viscera done! Clean and thorough is not everyone can do, because the puffer fish gall bladder is relatively thin accidentally will be broken, broken, no matter how you clean, after cooking will be 100% poisoned. When the fish blood all flow clean, but also the puffer fish in the water soaked 30 minutes, pay attention to the soaking time still use running water rinse, so that can ensure that the puffer fish toxins are cleaned. The toxins of puffer fish are mainly tetrodotoxin and tetrodonic acid, which are concentrated in tissues such as ovaries, testes, liver, intestines and blood. The toxicity of the toxins of puffer fish is stable and cannot be destroyed by salting, sunlight and boiling.
The symptoms of puffer fish poisoning
The symptoms of puffer fish poisoning include gastrointestinal symptoms, neurological symptoms, and respiratory symptoms. Gastrointestinal symptoms, nausea, vomiting, abdominal pain or diarrhea will occur soon after eating puffer fish. If the vomiting and diarrhea are severe, there may be an imbalance of water and electrolytes in the body, low potassium and low sodium, resulting in poor mental health, generalized weakness, and inability to walk. Symptoms of nerve paralysis, in the beginning there will be numbness of lips, tongue, fingertips, then there will be numbness of the whole body, drooping eyelids, weakness of limbs, unsteady walking, **** ji disorders, muscles appearing flaccid paralysis and tendon reflexes disappeared. Neurological symptoms, mainly nerve paralysis-related symptoms, starting with numbness of the lips, tongue, and fingertips, followed by numbness of the whole body, eyelid ptosis, that is, eyelids can not be lifted up, and limb weakness, unsteady, and muscle paralysis, as well as knee reflexes, tendon reflexes disappeared.
How long is the incubation period of puffer fish poisoning
Tetrodotoxin is actually a neurotoxin, and its incubation period is actually not very long, after puffer fish poisoning is usually about 10 minutes to 4 hours, the more you eat, the more you deal with the uncleaner, the faster the onset of the disease, and the more serious the disease will be. The faster the onset of the disease, the more serious the condition will be. If the onset of the disease is fast, clinical symptoms may appear within half an hour after consumption. Tetrodotoxin is found in high concentrations in the liver, ovaries, blood, eyes and testes of puffer fish. Those who are poisoned in small amounts or continuously exposed to tetrodotoxin will have clinical symptoms such as numbness of the mouth and lips, numbness of the limbs and respiratory failure within a few hours. Tetrodotoxin poisoning can easily occur after accidentally eating tetrodotoxin or eating untreated tetrodotoxin.