期刊
JOURNAL OF THE FOOD HYGIENIC SOCIETY OF JAPAN
卷 49, 期 5, 页码 361-365出版社
FOOD HYG SOC JPN
DOI: 10.3358/shokueishi.49.361
关键词
pufferfish; genus Lagocephalus; Lagocephalus wheeleri; Lagocephalus spadiceus; Lagocephalus lunaris; food poisoning; tetrodotoxin; Cambodia
资金
- Ministry of Education, Culture, Sports, Science and Technology of Japan
In Cambodia, fatal food poisonings associated with the consumption of pufferfish have occurred for decades, but the causative species or toxins have never been documented. Herein, we investigated the toxicity of three pufferfish species of the genus Lagocephalus collected from the coastal waters of Sihanouk Ville, one of the main regions where poisonings have occurred. L. wheeleri and L. spadiceus were non-toxic, whereas L. lunaris was toxic and all of its body tissues exhibited toxicity levels exceeding the safety limit for human consumption (10 mouse units/g). Tetrodotoxin (TTX) was identified as the main toxin in this species; no paralytic shellfish poison(s) were detected. Consequently, we can confirm pufferfish to be a hazardous reservoir of TTX in Sihanouk Ville. It is likely that L. lunaris is one of the causative species of past pufferfish poisonings that have occurred in Cambodia.
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