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Abstract
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Article Information:
Variations in Yolk Mineral Element Contents from Different Chicken Rearing Systems: Eggs Analyzed by Inductively Coupled Plasma Mass Spectrometry
S.B. Zhu, Q.Y. Zhao, B.L. Liu, L. Wang and S.J. Liu
Corresponding Author: S.J. Liu
Submitted: September 27, 2014
Accepted: October 29, 2014
Published: March 05, 2015 |
Abstract:
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We analyzed the contents of the major elements calcium (Ca) and phosphorus (P), the trace elements zinc (Zn), copper (Cu), manganese (Mn), selenium (Se), cadmium (Cd) and lead (Pb) of chicken eggs from free-range and conventional rearing systems using inductively coupled plasma mass spectrometry. The Ca, Cu, Zn and Se contents of the conventional eggs were significantly higher than those of free-range eggs and the Mn and Pb contents of the conventional eggs were significantly lower. The P and Cd values were no different between the two rearing systems. Our results give an indication of mineral element levels in eggs from hens kept in different husbandry systems.
Key words: Conventional, egg-yolk, free range, ICP-MS, trace elements, ,
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Cite this Reference:
S.B. Zhu, Q.Y. Zhao, B.L. Liu, L. Wang and S.J. Liu, . Variations in Yolk Mineral Element Contents from Different Chicken Rearing Systems: Eggs Analyzed by Inductively Coupled Plasma Mass Spectrometry. Advance Journal of Food Science and Technology, (7): 530-533.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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