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Cadmium: A focus on the brown crab (Cancer pagurus) industry and potential human health risks
Date
2022
Abstract
Cadmium is a major health risk globally and is usually associated with pollution and anthropogenic activity. The presence of cadmium in food is monitored to ensure that the health and safety of consumers are maintained. Cadmium is ubiquitous in the Asian and Western diets, with the highest levels present in grains, leafy greens, and shellfish. As part of their natural lifecycle of moulting and shell renewal, all crustaceans—including the brown crab (Cancer pagurus)—bioaccumulate cadmium from their environment in their hepatopancreas. The brown crab is an important species to the crab-fishing industries of many European countries, including Ireland. However, the industry has come under scrutiny in Europe due to the presence of cadmium in the brown crab meat intended for live export to Asia. This review explores evidence regarding the effects of cadmium consumption on human health, with a focus on the brown crab. Differences in cadmium surveillance have given rise to issues in the crab industry, with economic consequences for multiple countries. Currently, evidence suggests that brown crab consumption is safe for humans in moderation, but individuals who consume diets characterised by high levels of cadmium from multiple food groups should be mindful of their dietary choices.
Supervisor
Description
Publisher
MDPI
Citation
Toxics 2022, 10 (10), 591
Files
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Lordan_2022-Cadmium.pdf
Adobe PDF, 1.05 MB
Funding code
Funding Information
Bord Iascaigh Mhara and the European Maritime and Fisheries Fund (19/SRDP/002) requested an independent review of cadmium and crab consumption. The authors are not affiliated with Bord Iascaigh Mhara and declare no other competing interests. The grant providers had no role in the literature collection, analyses, or interpretation of the data, in the writing of the manuscript, or in the decision to publish.