Frequent occurrence of the tetrodotoxin-bearing horseshoe crab Carcinoscorpius rotundicauda in Vietnam

Tetrodotoxin (TTX) was detected by HPLC and LC-MS/MS in specimens of the horseshoe crab Carcinoscorpius rotundicauda collected from Tan Hai village, Vung Tau province, Vietnam, where cases of poisoning due to the consumption of horseshoe crab have frequently been reported. The soft tissue from 10 ou...

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Bibliographic Details
Published in:Fisheries science 2009-04, Vol.75 (2), p.435-438
Main Authors: Dao, Ha Viet, Takata, Yoshinobu, Sato, Shigeru, Fukuyo, Yasuwo, Kodama, Masaaki
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Carcinoscorpius rotundicauda
Crustaceans
Decapoda
Fish & Wildlife Biology & Management
Food Science
Freshwater & Marine Ecology
Life Sciences
Liquid chromatography
Original Article
Poisoning
Shellfish
Toxins
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Summary:Tetrodotoxin (TTX) was detected by HPLC and LC-MS/MS in specimens of the horseshoe crab Carcinoscorpius rotundicauda collected from Tan Hai village, Vung Tau province, Vietnam, where cases of poisoning due to the consumption of horseshoe crab have frequently been reported. The soft tissue from 10 out of the 12 specimens analyzed showed considerable levels of TTX, making them unsafe for human consumption (81.2 ± 50.3 MU/g). Paralytic shellfish poisoning (PSP) toxins were also detected in all of the specimens, but the levels were low. These findings show that the frequency of occurrence of C. rotundicauda specimens with a high level of TTX is significantly high, and that the TTX is responsible for the food poisonings caused by the consumption of C. rotundicauda in this area.
ISSN:0919-9268
1444-2906
DOI:10.1007/s12562-008-0041-5