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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
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Derek J. McPhee
Molecules 2016, 21(3), 286;
Received: 16 December 2015 / Revised: 24 February 2016 / Accepted: 25 February 2016 / Published: 29 February 2016
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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MDPI and ACS Style

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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