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Potential health risks via consumption of six edible shellfish species collected from Piura – Peru
Loaiza, I.; De Troch, M.; De Boeck, G. (2018). Potential health risks via consumption of six edible shellfish species collected from Piura – Peru. Ecotoxicol. Environ. Saf. 159: 249-260. https://hdl.handle.net/10.1016/j.ecoenv.2018.05.005
In: Ecotoxicology and Environmental Safety. Academic Press/Elsevier: Amsterdam, Netherlands etc. ISSN 0147-6513; e-ISSN 1090-2414, meer
Peer reviewed article  

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Trefwoorden
    Argopecten purpuratus (Lamarck, 1819) [WoRMS]
    Marien
Author keywords
    Trace metal; Predator; Health risk; Piura

Auteurs  Top 
  • Loaiza, I.
  • De Troch, M.
  • De Boeck, G.

Abstract
    Scallops and their potential predators were collected in Sechura Bay and in front of the Illescas Reserved Zone (north Peru), during El Niño-Southern Oscillation (ENSO) 2016, and analyzed for the metals chromium (Cr), manganese (Mn), iron (Fe), nickel (Ni), copper (Cu), zinc (Zn), arsenic (As), cadmium (Cd) and lead (Pb). This study showed that ~20% of the molluscs exceeded the maximum residual levels (MRLs) for human consumption in inorganic As, while ~30% of the crustaceans did. For Cd, around 10% and 40% of the molluscs and the crustaceans were above the MRLs, respectively. The cephalopod Octopus mimus exhibited As concentrations, but not Cd concentrations, that exceeded the MRLs. Cr, Ni, Cu, Zn and Pb in muscle exhibited generally concentrations below the MRLs. Integrated risk indices were estimated to determine if there is a health risk for consumption. Target hazard quotients (THQs) and total hazard indices (HIs) were mostly < 1, implying no human health risk. Provisional tolerable weekly intake (PTWI) for Cd was exceeded in Bursa ventricosa at Illescas Reserved Zone. Target cancer risks (TRs) for inorganic As were always higher than the threshold (1 x 10-6), therefore an actual cancer risk is present.

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