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Guidance Level for Brevetoxins in French Shellfish

by Arnich, Nathalie , Delcourt, Nicolas , Comte, Katia , Chaix, Estelle , Dechraoui Bottein, Marie-Yasmine , Molgó, Jordi , Mattei, César , Abadie, Eric , Le Garrec, Raphaele , Amzil, Zouher , Hort, Vincent

in Algae / Animals / Bioassays / Brevetoxins / Cardiac arrhythmia / Case reports / Consumption / Corsica / Dinoflagellates / Dinoflagellida / emerging toxins / Environmental Monitoring / Food and Nutrition / France / gastrointestinal system / guidance level / Health risks / Humans / Ingestion / Karenia brevis / Laboratories / Lagoons / Life Sciences / marine biotoxins / Marine Toxins - analysis / Meat / Mediterranean Sea / microalgae / Mollusks / Mussels / neurotoxic shellfish poisoning / Neurotoxicity / Occupational health / occupational health and safety / Occupational safety / Oxocins - analysis / Oysters / Paralytic shellfish poisoning / Phytoplankton / Poisoning / portion size / Safety / Shellfish / shellfish meat / Shellfish Poisoning - prevention & control / Symptoms / Toxicology / Toxicology and food chain / Toxins / Water quality

2021

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Guidance Level for Brevetoxins in French Shellfish

2021

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2021

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Journal Article

Guidance Level for Brevetoxins in French Shellfish

Arnich, Nathalie,

Delcourt, Nicolas,

Comte, Katia,

Chaix, Estelle,

Dechraoui Bottein, Marie-Yasmine,

Molgó, Jordi,

Mattei, César,

Abadie, Eric,

Le Garrec, Raphaele,

Amzil, Zouher,

Hort, Vincent

2021

Overview

Brevetoxins (BTXs) are marine biotoxins responsible for neurotoxic shellfish poisoning (NSP) after ingestion of contaminated shellfish. NSP is characterized by neurological, gastrointestinal and/or cardiovascular symptoms. The main known producer of BTXs is the dinoflagellate Karenia brevis, but other microalgae are also suspected to synthesize BTX-like compounds. BTXs are currently not regulated in France and in Europe. In November 2018, they have been detected for the first time in France in mussels from a lagoon in the Corsica Island (Mediterranean Sea), as part of the network for monitoring the emergence of marine biotoxins in shellfish. To prevent health risks associated with the consumption of shellfish contaminated with BTXs in France, a working group was set up by the French Agency for Food, Environmental and Occupational Health & Safety (Anses). One of the aims of this working group was to propose a guidance level for the presence of BTXs in shellfish. Toxicological data were too limited to derive an acute oral reference dose (ARfD). Based on human case reports, we identified two lowest-observed-adverse-effect levels (LOAELs). A guidance level of 180 µg BTX-3 eq./kg shellfish meat is proposed, considering a protective default portion size of 400 g shellfish meat.

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MDPI AG,MDPI

Subject

/ Animals