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Minerals and trace elements composition of raw cow’s milk in Peninsular Malaysia
2017
Falizah A. | Khairunnisak M. | Chandrawathani P. | Kamaliah G. | Ernah G. | Ketty G. S. L. | Roosnoor Farkhan H. | Saipul Bahari A. R. | Faridah F. I. | Norakmar I. | Marni S. | Izwan I.
This study was conductedon raw cow’s milk collected in seven statesof Malaysia to investigate the compositionof minerals and trace elements in the milk.Raw cow’s milk samples were collectedfrom Kedah, Perak, Johor, Melaka,Pahang, Selangor and Negeri Sembilanfrom January to November 2015. ICPMStechnique combined with microwavedigestion were applied to determine theconcentration of five major minerals (Na,Mg, K, Ca and P) and eleven trace elements(Cr, Mn, Fe, Ni, Cu, Zn, Se, Sr, Mo,Baand Pb) in the milk samples. The resultof analysis showed relatively constantcomposition of minerals and trace elementsin the samples but some variations wereobserved in certain states. Application ofprincipal component analysis (PCA) in thecomposition data showed different clusterexists between the states of Selangor andNegeri Sembilan as well as Kedah andNegeri Sembilan. There is no significantdifference observed in the compositionsof minerals and trace elements betweenother states. The compositions of mineralsand trace elements in raw cow’s milk inMalaysia are comparable with reports fromother research. Further studies can be doneto investigate the source of nutrient, foodor environmental condition that producedthe amounts of minerals and trace elementsin the milk.
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