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Molecules 2016, 21(3), 286; doi:10.3390/molecules21030286

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

1
Institute for Macromolecular Studies, NMR Laboratory, National Research Council, v. Corti 12, 20133 Milan, Italy
2
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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Abstract

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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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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