Elemental composition of four farmed fish produced in Portugal

International Journal of Food Sciences and Nutrition
Helena M LourençoAna R Lino

Abstract

Farmed gilthead sea bream (Sparus aurata), European sea bass (Dicentrarchus labrax), rainbow trout (Oncorhynchus mykiss) and turbot (Psetta maxima) produced in Portugal were analysed in order to characterize their elemental composition. Atomic absorption (flame and cold vapour) and molecular absorption spectrometry techniques were used to determine all the studied elements. Similar patterns of macro, trace and ultra trace elements were observed for all fish species. The main elements were potassium (K), sodium (Na), phosphorus (P), magnesium (Mg) and calcium (Ca), followed by zinc (Zn), iron (Fe), copper (Cu), chromium (Cr), manganese (Mn) and nickel (Ni). Cadmium (Cd), mercury (Hg) and lead (Pb) concentrations, obtained in this study, allow concluding that these species do not present a hazard for human consumption. In addition, they contain almost all essential elements at concentrations sufficient to suit the dietary reference intake. Nevertheless, P. maxima nutritious trace element content is relatively low compared with the other three species.

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Citations

Aug 1, 2013·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Sara CostaMaria Leonor Nunes
Mar 22, 2015·Environmental Research·German Cano-SanchoJosé L Domingo
Sep 7, 2013·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·P OlmedoF Gil
Aug 23, 2017·Environmental Science and Pollution Research International·Memet Varol, Muhammet Raşit Sünbül
Mar 4, 2020·Environmental Science and Pollution Research International·Weihua FengFangqin Zheng
Dec 17, 2017·Environmental Science and Pollution Research International·Débora Fabiana BubachMaría Angélica Arribére
Oct 18, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ștefan-Mihai PetreaVictor Cristea
May 14, 2021·Biological Trace Element Research·Nagihan Karaaslan Ayhan, Mehmet Yaman

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