Abstract
Okadaic acid and dinophysistoxins are produced by some marine unicellular algae from the plankton and also benthic microalgae and may accumulate in shellfish. These phycotoxins are involved in a gastrointestinal syndrome called diarrhetic shellfish poisoning (DSP), which occurs in humans after consumption of bivalve molluscs. Thousands cases of human poisonings in Europe were caused by consumption of toxic shellfish during the past decade. The rapid detection and the reliable determination of the main phycotoxins implicated in DSP are a major concern for governmental institutions in charge of the sanitary control of seafood safety. Analytical procedures for the detection and determination of DSP toxins can be classified as: bioassays, biochemical methods including immunoassays, or physicochemical methods. Although a large number of methods have been developed, none have been officially validated. A complete panel of tools for DSP toxin analysis should include screening, investigation, and confirmation methods. This paper presents a compilation of recent developments and optimisations of these methods.
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