This study investigates the inorganic elements and the persistent organic pollutants (POPs) accumulated in liver of a sexually mature Hexanchus griseus living in the Mediterranean Sea. The casual finding of a specimen in the Strait of Messina (April 2018) allowed us to carefully analyse its liver which can be considered a very important biological indicator. The determination of inorganic elements was carried out by ICP-MS technique. Quantitative determination of polycyclic aromatic hydrocarbons (PAH) and poly-chloro-biphenyl compounds (PCB), distinguished in dioxinelike (DL) and not-dioxine-like (NDL) derivates, has been carried out by HRGC/MS and HRGC-MS/MS respectively. Worrying levels of PCB-DL (TEQ ¼ R(PCB-DL)TEF ¼ 5.96 ng g1), PCB-NDL (R(PCBNDL) ¼ 1390.4 ng g1) together with the presence of pesticides and plasticizers were found in the shark liver oil. The levels of heavy metals were below the legal limits.

Accumulation of PCBs, PAHs, plasticizers and inorganic elements in Hexanchus griseus from the strait of Messina (Central Mediterranean sea)

Salvo, Andrea
Primo
Formal Analysis
;
La Torre, Giovanna Loredana
Secondo
Conceptualization
;
Rotondo, Archimede
Investigation
;
Mangano, Valentina
Investigation
;
Gervasi, Teresa
Investigation
;
Vadalà, Rossella
Investigation
;
Bartolomeo, Giovanni
Formal Analysis
;
Iaria, Carmelo
Formal Analysis
;
Lanteri, Giovanni
Formal Analysis
;
Capparucci, Fabiano
Penultimo
Formal Analysis
;
Dugo, Giacomo
Ultimo
Supervision
2020

Abstract

This study investigates the inorganic elements and the persistent organic pollutants (POPs) accumulated in liver of a sexually mature Hexanchus griseus living in the Mediterranean Sea. The casual finding of a specimen in the Strait of Messina (April 2018) allowed us to carefully analyse its liver which can be considered a very important biological indicator. The determination of inorganic elements was carried out by ICP-MS technique. Quantitative determination of polycyclic aromatic hydrocarbons (PAH) and poly-chloro-biphenyl compounds (PCB), distinguished in dioxinelike (DL) and not-dioxine-like (NDL) derivates, has been carried out by HRGC/MS and HRGC-MS/MS respectively. Worrying levels of PCB-DL (TEQ ¼ R(PCB-DL)TEF ¼ 5.96 ng g1), PCB-NDL (R(PCBNDL) ¼ 1390.4 ng g1) together with the presence of pesticides and plasticizers were found in the shark liver oil. The levels of heavy metals were below the legal limits.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11570/3139375
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