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Molecules 2016, 21(3), 286;

On the Traceability of Commercial Saffron Samples Using 1H-NMR and FT-IR Metabolomics

Institute for Macromolecular Studies, NMR Laboratory, National Research Council, v. Corti 12, 20133 Milan, Italy
Laboratory of Food Chemistry and Technology (LFCT), School of Chemistry, Aristotle University of Thessaloniki (AUTh), 54124 Thessaloniki, Greece
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 16 December 2015 / Revised: 24 February 2016 / Accepted: 25 February 2016 / Published: 29 February 2016
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In previous works on authentic samples of saffron of known history (harvest and processing year, storage conditions, and length of time) some biomarkers were proposed using both FT-IR and NMR metabolomics regarding the shelf life of the product. This work addresses the difficulties to trace back the “age” of commercial saffron samples of unknown history, sets a limit value above which these products can be considered substandard, and offers a useful tool to combat saffron mislabeling and fraud with low-quality saffron material. Investigations of authentic and commercial saffron samples of different origin and harvest year, which had been stored under controlled conditions for different lengths of time, allowed a clear-cut clustering of samples in two groups according to the storage period irrespectively of the provenience. In this respect, the four-year cut off point proposed in our previous work assisted to trace back the “age” of unknown samples and to check for possible mislabeling practices. View Full-Text
Keywords: saffron traceability; saffron mislabeling; FT-IR, NMR; metabolomics saffron traceability; saffron mislabeling; FT-IR, NMR; metabolomics

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Consonni, R.; Ordoudi, S.A.; Cagliani, L.R.; Tsiangali, M.; Tsimidou, M.Z. On the Traceability of Commercial Saffron Samples Using 1H-NMR and FT-IR Metabolomics. Molecules 2016, 21, 286.

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