Abstract
Microwave-assisted sample digestion and inductively coupled plasma-mass spectrometry (ICP-MS) were considered for exploring major and trace elements in the Mediterranean Sepia ink. The present work aims to (a) fully validate the employed ICP-MS method and compare the Hg determinations by ICP-MS with those obtained by a direct mercury analyzer (DMA) and (b) interpret quantitative data by chemometrics and perform a risk/benefit analysis for assessing the quality/safety of Sepia ink. DMA gave Hg determinations similar to the ICP-MS counterpart (p > 0.05), confirming its reliability for food analysis. Sepia ink demonstrated to be both a reservoir of “healthy” elements and a sink of potential toxic metals. In fact, a good contribution of major and essential trace metals to the established RDAs was revealed, and, at the same time, potentially toxic elements showed to accumulate depending upon the environmental conditions, although not representing a risk for human consumers.
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Giuseppe Daniel Bua declares that he has no conflict of interest. Ambrogina Albergamo declares that she has no conflict of interest. Giovanni Annuario declares that he has no conflict of interest. Vincenzo Zammuto declares that he has no conflict of interest. Rosaria Costa declares that she has no conflict of interest. Giacomo Dugo declares that he has no conflict of interest.
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Bua, G.D., Albergamo, A., Annuario, G. et al. High-Throughput ICP-MS and Chemometrics for Exploring the Major and Trace Element Profile of the Mediterranean Sepia Ink. Food Anal. Methods 10, 1181–1190 (2017). https://doi.org/10.1007/s12161-016-0680-6
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DOI: https://doi.org/10.1007/s12161-016-0680-6