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Joint FAO/WHO/IOC activities to provide scientific advice on marine biotoxins (research report)
Authors:Toyofuku Hajime
Institution:

aFood Safety Department, WHO, 20 Ave Appia, CH-1211 Geneva, Switzerland

Abstract:The Joint FAO/WHO/IOC ad hoc Expert Consultation on Biotoxins in Molluscan Bivalves performed risk assessments for a number of biotoxins present in bivalve molluscs. For performing risk assessments, the Expert Consultation categorized the biotoxins into eight distinct groups based on chemical structure. The Expert Consultation established LOAELs for the azaspiracid (AZA), okadaic acid (OA), saxitoxin (STX), and domoic acid (DA) toxin groups. The derived provisional acute RfDs for the AZA, OA, STX, and DA toxin groups were 0.04 μg/kg bw, 0.33 μg/kg bw, 0.7 μg/kg bw, and 100 μg/kg bw, respectively. For the yessotoxin (YTX) group, a NOAEL was established, based on animal studies. Applying a safety factor of 100, a provisional acute RfD of 50 μg/kg bw was suggested for the YTX group. The Expert Consultation considered that the database for cyclic imines, brevetoxins, and pectenotoxins was insufficient to establish provisional acute RfDs for these three toxin groups.
Keywords:Marine biotoxin  Provisional acute reference dose (RfD)  Azaspiracid (AZA)  Domoic acid (DA)  Okadaic acid (OA)  Saxitoxin (STX)
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