"Shellfish toxins do not disappear even after heating"

Changwon Special City in Gyeongnam announced on the 20th that the levels of shellfish toxins exceeded the standard limits in the waters of Nanpo-ri, Gusan-myeon, Masanhappo-gu, and Myeongdong, Jinhae-gu (104㎍/100g and 133㎍/100g, respectively).


Shellfish toxins refer to toxins accumulated in shellfish (bivalves) when they consume toxic plankton as food. These toxins accumulate in the body and cause a type of food poisoning when ingested by humans. Such incidents typically occur in shellfish along the southern coast from March to June each year and tend to disappear after June when the water temperature rises above 18℃.


Paralytic shellfish toxins are dangerous because they are not destroyed by heating or freezing and remain in the toxin. Symptoms of food poisoning include initial nausea and paralysis symptoms around the lips and fingertips.


Changwon Special City, Exceedance of Shellfish Toxin Standards... Thorough Measures to Minimize Damage View original image

If a large amount of highly toxic shellfish is consumed, symptoms can worsen and lead to dangerous conditions such as muscle paralysis and respiratory distress. Therefore, special caution is required when consuming wild shellfish during periods when shellfish toxins occur.


The city plans to continuously inform citizens and visitors to coastal areas to be cautious about shellfish harvesting and is strengthening monitoring of the situation.


The city stated that the detection of shellfish toxins does not indicate that all shellfish are dangerous. Currently, shellfish (such as mussels and oysters) distributed in local markets have undergone thorough pre-inspections and are safe to purchase with confidence.



Je Jong-nam, Director of the Marine, Port and Fisheries Bureau, said, “Since this year’s occurrence is later than usual, we hope that the damage to fishermen will be reduced. We will do our best to prevent harm to consumers through a systematic response system for any future occurrences.”


This content was produced with the assistance of AI translation services.

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