Abstract
The concentrations of Cr, Mn, Fe, Co, Ni, As, Cd, Pb, and Zn in 19 different spices from 11 different brands (in total 69 samples) collected from Kayseri, Turkey, were determined by inductively coupled plasma mass spectrometry (ICP-MS) after microwave digestion. Multivariate and univariate statistical techniques such as principal component analysis (PCA), cluster analysis (CA), correlation analysis, and one way ANOVA were applied for the interpretation of the obtained data. Three principal components explain 79.6% of the total variance. They are as follows: PC1 with Cr, Fe and Pb; PC2 with Mn, As, and Cd; and PC3 with Ni and Co. The spices were classified into their different types and brands by PCA and CA. The certified reference material (GBW07605 Tea Leaves) was analyzed to confirm the accuracy of the method.
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This study was supported by the Scientific Research Projects Unit of Erciyes University with the code of TSA-10-3274.
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Şerife Tokalioglu declares that she has no conflict of interest. Betül Çiçek declares that she has no conflict of interest. Neriman İnanç declares that she has no conflict of interest. Gökmen Zararsız declares that he has no conflict of interest. Ahmet Öztürk declares that he has no conflict of interest.
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Tokalıoğlu, Ş., Çiçek, B., İnanç, N. et al. Multivariate Statistical Analysis of Data and ICP-MS Determination of Heavy Metals in Different Brands of Spices Consumed in Kayseri, Turkey. Food Anal. Methods 11, 2407–2418 (2018). https://doi.org/10.1007/s12161-018-1209-y
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DOI: https://doi.org/10.1007/s12161-018-1209-y