COMPARATIVE EVALUATION OF SOME MINOR- AND MAJOR ELEMENT CONTENTS IN COMMERCIAL YOGURTS
Keywords:
yogurt, minor elements, major elementsAbstract
The content of 10 minor and major elements (Cr, Cu, Fe, Mn, Zn, Na, K, Ca, Mg and P) was quantified by inductively coupled plasma optical emission spectrometry (ICP-OES) in 15 commercial plain and fruit mixed yogurts, purchased in supermarkets from Romania. Results of both minor and major elements were found mostly similar in all varieties of yogurt studied. The concentrations in mg/kg fresh weight were: Cr (<0.25), Cu (0.30-0.56), Fe (0.53-1.23), Mn (0.42-0.83), Zn (2.56-3.69), Na (325-522), K (999-1356), Ca (932-1206), Mg (82-113) and P (924-1001). Some of the essential elements were found to have good and healthy contribution to daily nutrition of consumers in accordance to Recommended Dietary Allowance (RDA).
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