Toxic symptoms of puffer fish?

summary

Tetrodotoxin is a toxic component of puffer fish, which exists in many parts of the fish. The most toxic component is the ovary, followed by the liver. The freshly washed fish generally does not contain tetrodotoxin. However, some puffer fish are also toxic. Tetrodotoxin is the most toxic non protein neurotoxin.

Toxic symptoms of puffer fish?

Poisoning is characterized by rapid and severe onset, usually 10 minutes to 5 hours after eating. The symptoms were general discomfort; Gastrointestinal symptoms: nausea, vomiting, diarrhea; The lip, tip of tongue and end of finger tingle and numb, and the feeling disappears and paralyzes; Quadriplegia, dyskinesia, loss of balance, paralysis.

In addition, there may be unclear language, mydriasis, blood pressure and hypothermia. They usually die of respiratory paralysis and circulatory failure within 4-6 hours. The mortality rate was 40% - 60%.

Tetrodotoxin mainly acts on the nervous system, blocking the impulse conduction between nerve and muscle, causing paralysis of nerve endings and central nerves, causing peripheral vasodilation and sharp drop of blood pressure. Finally, the respiratory center and vascular motor center paralysis, and even death.

matters needing attention

Tetrodotoxin is heat-resistant, so it is difficult to remove tetrodotoxin by common cooking methods. We should educate the masses to learn to identify puffer fish, turn them in for centralized treatment and not sell them. Don't "fight to death to eat puffer fish". Vigorously carry out publicity and education, strengthen the supervision and management of puffer fish.