Tetrodotoxin Latest News
Food safety authorities and doctors suspect that the severe illness in people who consumed seafood at a restaurant in Vizhinjam, Kerala, was caused by contamination with a highly potent marine neurotoxin, likely tetrodotoxin (TTX).
About Tetrodotoxin
- It is an extremely potent marine neurotoxin.
- It is a crystalline, weakly basic, colorless organic substance. It darkens above 220° C.
- Chemical Formula: C11H17N3O8.
- It naturally occurs in the skin, intestine, and liver of some fish in the family Tetraodontidae.
- Examples include puffer fish, porcupine fish, ocean sunfish, and some species of newts and salamanders.
- Human poisonings occur when the flesh and/or organs of the fish are improperly prepared and eaten.
- TTX interferes with the transmission of signals from nerves to muscles and causes an increasing paralysis of the muscles of the body.
- Its toxicity is more than 1000 times greater than sodium cyanide.
- TTX poisoning can be fatal.
- It has no known antidote. Treatment is mainly supportive.
Source: TH
Last updated on August, 2026
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Tetrodotoxin FAQ's
Q1. What is Tetrodotoxin (TTX)?+
Q2. What are the physical characteristics of Tetrodotoxin?+
Q3. In which family of fish is Tetrodotoxin commonly found?+
Q4. How does Tetrodotoxin affect the human body?+
Q5. Is there a specific antidote for Tetrodotoxin poisoning?+
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