Application of activated carbon to accelerate detoxification of paralytic shellfish toxins from mussels Mytilus galloprovincialis and scallops Chlamys farreri

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DOIResolve DOI: http://doi.org/10.1016/j.ecoenv.2017.10.005
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TypeArticle
Journal titleEcotoxicology and Environmental Safety
ISSN0147-6513
Volume148
Pages402409
Subjectparalytic shellfish toxins; activated carbon; adsorbent detoxification; Mytilus galloprovincialis; Chlamys farreri
AbstractContamination of economic bivalves with paralytic shellfish toxins (PST) occurs frequently in many parts of the world, which potentially threatens consumer health and the marine aquaculture economy. It is the objective of this study to develop a suitable technology for accelerating detoxification of PST from shellfish using activated carbon (AC). The adsorption efficiency of PST by eight different AC materials and by different particle sizes of wood-based AC (WAC) were tested and compared. Then WAC particles (37–48 µm) were fed to mussels Mytilus galloprovincialis and scallops Chlamys farreri previously contaminated with PST through feeding with dinoflagellate Alexandrium tamarense ATHK. Results showed that the maximum adsorption ratio (65%) of PST was obtained by WAC. No significant differences in adsorption ratios were found between different particle sizes of WAC. The toxicity of mussels decreased by 41% and 68% after detoxification with WAC for 1 d and 3 d, respectively. Meanwhile, the detoxification ratio of mussels was approximately 3 times higher than that of scallops. This study suggests that the WAC could be used to accelerate the detoxification of PST by shellfish.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationMeasurement Science and Standards; National Research Council Canada
Peer reviewedYes
NPARC number23002431
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Record identifierf5653ca0-b94b-4601-b3d5-a7415dd86f49
Record created2017-11-09
Record modified2017-11-09
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