Trace elements in farmed fish (Cyprinus carpio, Ctenopharyngodon idella and Oncorhynchus mykiss) from Beijing: implication from feed

Food Additives & Contaminants. Part B, Surveillance
Haifeng JiangLei Gao

Abstract

Concentrations of 30 trace elements, Li, V, Cr, Mn, Fe, Ni, Cu, Mo, Zn, Se, Sr, Co, Al, Ti, As, Cs, Sc, Te, Ba, Ga, Pb, Sn, Cd, Sb, Ag, Tm, TI, Be, Hg and U in major cultured freshwater fish species (common carp-Cyprinus carpio, grass carp-Ctenopharyngodon idella and rainbow trout-Oncorhynchus mykiss) with the corresponding feed from 23 fish farms in Beijing, China, were investigated. The results revealed that Fe, Zn, Cu, Mn, Sr, Se were the major accumulated essential elements and Al, Ti were the major accumulated non-essential elements, while Mo, Co, Ga, Sn, Cd, Sb, Ag, Tm, U, TI, Be, Te, Pb and Hg were hardly detectable. Contents of investigated trace elements were close to or much lower than those in fish from other areas in China. Correlation analysis suggested that the elemental concentrations in those fish species were relatively constant and did not vary much with the fish feed. In comparison with the limits for aquafeeds and fish established by Chinese legislation, Cd in 37.5% of rainbow trout feeds and As in 20% of rainbow trout samples exceeded the maximum limit, assuming that inorganic As accounts for 10% of total As. Further health risk assessment showed that fish consumption would not pose risks to consumers as fa...Continue Reading

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Citations

Jul 5, 2017·Food Additives & Contaminants. Part B, Surveillance·Gokce Kaya, Semra Turkoglu
Sep 28, 2020·Pakistan Journal of Biological Sciences : PJBS·M Jahangir SarkerNahid Sultana
Aug 23, 2017·Environmental Science and Pollution Research International·Memet Varol, Muhammet Raşit Sünbül
May 17, 2017·Environmental Science and Pollution Research International·Ting FangKun Yang
Apr 3, 2020·Environmental Science and Pollution Research International·Jiaojiao YinXuezhen Zhang

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Methods Mentioned

BETA
atomic absorption spectrometry

Software Mentioned

SPSS
MarXpress

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