[en] The objectives of this study were to measure the concentrations of elements in raw milk by inductively coupled plasma-mass spectrometry (ICP-MS) and evaluate differences in element concentrations among animal species and regions of China. Furthermore, drinking water and feed samples were analyzed to investigate whether the element concentrations in raw milk are correlated with those in water and feed. All samples were analyzed by ICP-MS following microwave assisted acid digestion. The mean recovery of the elements was 98.7 % from milk, 103.7 % from water, and 93.3 % from a certified reference material (cabbage). Principal component analysis results revealed that element concentrations differed among animal species and regions. Correlation analysis showed that trace elements Mn, Fe, Ni, Ga, Se, Sr, Cs, U in water and Co, Ni, Cu, Se, U in feed were significantly correlated with those in milk (p < 0.05). Toxic and potential toxic elements Cr, As, Cd, Tl, Pb in water and Al, Cr, As, Hg, Tl in feed were significantly correlated with those in milk (p < 0.05). Results of correlation analysis revealed that elements in water and feed might contribute to the elements in milk.
QU, XUEYIN; Ministry of Agriculture Laboratory of Quality & Safety Risk Assessment for Dairy Products > Institute of Animal Science, Chinese Academy of Agricultural Sciences
ZHAO, SHENGGUO; Ministry of Agriculture Laboratory of Quality & Safety Risk Assessment for Dairy Products > Institute of Animal Science, Chinese Academy of Agricultural Sciences
WANG, JIAQI; Ministry of Agriculture Laboratory of Quality & Safety Risk Assessment for Dairy Products > Institute of Animal Science, Chinese Academy of Agricultural Sciences
LI, SONGLI; Ministry of Agriculture Laboratory of Quality & Safety Risk Assessment for Dairy Products > Institute of Animal Science, Chinese Academy of Agricultural Sciences
ZHENG, NAN; Ministry of Agriculture Laboratory of Quality & Safety Risk Assessment for Dairy Products > Institute of Animal Science, Chinese Academy of Agricultural Sciences
Language :
English
Title :
Analysis of 22 Elements in Milk, Feed, and Water of Dairy Cow, Goat, and Buffalo from Different Regions of China
Publication date :
2017
Journal title :
Biological Trace Element Research
ISSN :
0163-4984
eISSN :
1559-0720
Publisher :
Humana Press, United States
Volume :
176
Pages :
120-129
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Special Fund for Agro-scientific Research in the Public Interest (201403071) Modern Agro-Industry Technology Research System of the PR China (nycytx-04- 01) Agricultural Science and Technology Innovation Program (ASTIP-IAS12)
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