Metals bioaccumulation in two edible bivalves and health risk assessment

Theodor Bilharz Research Institute

Bibliographic Information

Authors: EL-Shenawy N.S.; Loutfy N.; Soliman M.F.M.; Tadros M.M.; Abd El-Azeez A.A.

Journal: Environmental Monitoring and Assessment

Publisher: Springer International Publishing

Publication Date: 3 February 2016

Volume / Issue: Volume 188 / Issue 3

Pages: 1–12

Article No.: 139

ISSN: 1676369

DOI: 10.1007/s10661-016-5145-2

Scopus: View on Scopus

PubMed: 26846289

Document Type: Article

Authors and Affiliations

EL-Shenawy N.S., Zoology Department, Suez Canal University, Ismailia, 41522, Egypt; Loutfy N., Plant Protection Department, Suez Canal University, Ismailia, 41522, Egypt; Soliman M.F.M., Zoology Department, Suez Canal University, Ismailia, 41522, Egypt; Tadros M.M., Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt; Abd El-Azeez A.A., Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt

Abstract

Our aim was to quantify the bioaccumulation of 13 metals in two edible bivalves (Ruditapes decussatus and Paphia undulata) in Lake Timsah, Egypt. A potential human health risk assessment was conducted to evaluate the hazards from bivalve consumption. Fe, Al, Zn, and Sr had the highest concentrations in the bivalve samples. The levels of Cd were much lower than the maximum permissible level, while Pb concentrations in the two bivalves were nearly two times the permissible level. The extent of bioaccumulation factor was site- and species-specific. For low and high bivalve-consuming groups, the estimated daily intake of Pb and Cd ranged from 0.01 to 0.76 μg/kg/day. For low and high bivalve-consuming groups, hazard quotients (HQs) for metals were found to be less than 1 for both bivalve species, except for Co in the high-consuming group. In conclusion, even though there was no apparent risk to bivalve consumers from being exposed to single metals, there is a risk from being exposed to the 13 studied metals together, especially for high bivalve-consuming groups such as fishermen. © 2016, Springer International Publishing Switzerland.

Keywords

Bioaccumulation; Bivalves; Dietary intake; Metals; Risk assessment; Animals; Bivalvia; Egypt; Environmental Exposure; Environmental Monitoring; Food Contamination; Humans; Lakes; Water Pollutants, Chemical; Lake Timsah; Port Said [Egypt]; Paphia undulata; Venerupis (Ruditapes) decussatus; Biochemistry; Hazards; Health hazards; Health risks; Lead; Molluscs; metal; water pollutant; Bioaccumulation factor; Dietary intakes; Estimated daily intakes; Hazard quotients; Human health risk assessment; Ruditapes decussatus; Species specifics; bivalve; diet; health risk; heavy metal; consumer; exposure; health hazard; human; maximum permissible dose; quantitative study; Ruditapes; species; analysis; animal; lake; metabolism; statistics and numerical data

Citation Information

Scopus Citations: 22

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