Determination of Mineral Elements in Milk Products by Inductively Coupled Plasma-Optical Emission Spectrometry
- Determination of Mineral Elements in Milk Products by Inductively Coupled Plasma-Optical Emission Spectrometry
- Naeem Jkan; 최지연; 노은영; 황인민; Girum Habte; Murad Ali Khan; 박경수; 김경수
- ICP-OES; Milk; Mineral Elements; Yogurt
- Issue Date
- Analytical letters
- VOL 47, NO 9, 1606-1613
- The determination of mineral elements in milk products is of great importance since their
excess or deficiency may affect human health. In this study, calcium, magnesium,
potassium, sodium, phosphorus, and iron were determined in milk products from South
Korea. The samples were wet-digested by microwave-assisted combustion using nitric
acid and hydrogen peroxide, and analyzed by inductively coupled plasma-optical
emission spectrometry. The method was validated by sensitivity, linearity, precision,
recovery checks, and the analysis of a milk powder certified reference material. The
elemental concentrations were similar in the milk products. Calcium and potassium were
the most abundant, followed by phosphorus, sodium, magnesium, and iron. All concentrations were comparable to previous values and were within the limits of recommended dietary allowances and tolerable upper levels.
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