Ministry of Agriculture Laboratory of Quality and Safety Risk Assessment for Dairy Products Beijing

Haidian District, China

Ministry of Agriculture Laboratory of Quality and Safety Risk Assessment for Dairy Products Beijing

Haidian District, China
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Qu X.-Y.,Shihezi University | Qu X.-Y.,Chinese Academy of Agricultural Sciences | Qu X.-Y.,Ministry of Agriculture Laboratory of Quality and Safety Risk Assessment for Dairy Products Beijing | Zheng N.,Chinese Academy of Agricultural Sciences | And 8 more authors.
Biological Trace Element Research | Year: 2017

The object of this study is to analyze the levels of seven toxic elements residues in raw bovine milk in China and assess the potential health risk of those residues. The 178 raw bovine milk samples were collected from eight main milk-producing provinces and from three types of milk stations in China, and were analyzed for arsenic (As), lead (Pb), cadmium (Cd), chromium (Cr), mercury (Hg), aluminum (Al), and nickel (Ni) using inductively coupled plasma-mass spectrometry (ICP-MS). Al, Pb, Hg, Ni, Cr, and As were detected in 47.8, 29.2, 28.1, 23.6, 12.4, and 9.0% of total milk samples, respectively, and Cd were not detected in all samples. The raw bovine milk samples with high levels of toxic elements were found in industrial areas, such as Heilongjiang and Shanxi. Nemerow pollution index analysis showed that the levels were lower in the samples from the processing plants than that from the large-scale farms and small farm cooperatives. The margin of exposure (MOE) values suggest that the levels of As, Pb, Hg, Cr, Al, and Ni in the raw milk samples are not causing a health risk for Chinese consumers, including adults and children. Nevertheless, the risk of Pb for infant and young children was more serious than adult. © 2017 Springer Science+Business Media, LLC

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