Detection of Diarrheic Shellfish Poisoning and Azaspiracid Toxins in Moroccan Mussels: Comparison of the LC-MS Method with the Commercial Immunoassay Kit
2008

Detection of Toxins in Moroccan Mussels

Sample size: 13 publication Evidence: moderate

Author Information

Author(s): Elgarch Adra, Vale Paulo, Rifai Saida, Fassouane Aziz

Primary Institution: Laboratoire de Biochimie, Faculté des Sciences, Université Chouaib Doukkali

Hypothesis

Can the LC-MS method detect DSP and AZP toxins in Moroccan mussels more effectively than a commercial immunoassay kit?

Conclusion

The LC-MS method detected high levels of okadaic acid and low levels of dinophysistoxin-2 in mussels, while the immunoassay kit was found to be more sensitive and faster for determining DSP toxins.

Supporting Evidence

  • The LC-MS method detected high concentrations of okadaic acid in mussels.
  • The immunoassay kit was more sensitive and faster than LC-MS for determining DSP.
  • AZA2 was detected in mussels for the second time in Morocco.

Takeaway

Scientists tested two methods to find out if mussels from Morocco had harmful toxins, and one method was faster and better at finding these toxins.

Methodology

The study compared a commercial immunoassay kit with LC-MS for detecting DSP and AZP toxins in mussels, using whole flesh extracts subjected to alkaline hydrolysis.

Limitations

The study did not identify the specific species of Dinophysis responsible for the toxin contamination.

Digital Object Identifier (DOI)

10.3390/md6040587

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