TITLE

Determination of marine biotoxins relevant for regulations: from the mouse bioassay to coupled LC-MS methods

AUTHOR(S)
Christian, Bernd; Luckas, Bernd
PUB. DATE
May 2008
SOURCE
Analytical & Bioanalytical Chemistry;May2008, Vol. 391 Issue 1, p117
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The frequency of occurrence and intensity of harmful algal blooms (HABs) appear to be increasing on a global scale. Consequently, methods were established for the evaluation of possible hazards caused by the enrichment of algal toxins in the marine food chain. Different clinical types of algae-related poisoning have attracted scientific attention: paralytic shellfish poisoning (PSP), diarrhetic shellfish poisoning (DSP), and amnesic shellfish poisoning (ASP). In several countries fish specialties are consumed which may be contaminated with algal toxins typical for the respective region (e.g., ciguatera and tetrodotoxins). Bioassays are common methods for the determination of marine biotoxins. However, biological tests are not completely satisfactory, due to the low sensitivity and the absence of specialized variations. Moreover, there is growing resistance against the use of animal experiments. Therefore, many efforts have been made to determine algal toxins with chemical methods. In this context LC-MS methods replaced HPLC methods with optical detectors, allowing both effective seafood control and monitoring of phytoplankton in terms of the different groups of marine biotoxins.
ACCESSION #
31722423

 

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