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Foods. 2014 Jul 8;3(3):403-419. doi: 10.3390/foods3030403.

Saffron Samples of Different Origin: An NMR Study of Microwave-Assisted Extracts.

Author information

1
Institute of Chemical Methodologies, Magnetic Resonance Laboratory "Annalaura Segre", National Research Council (CNR), Via Salaria km 29.300, 00015 Monterotondo, Rome, Italy. anatoli.sobolev@imc.cnr.it.
2
Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy. simone.carradori@uniroma1.it.
3
Institute of Chemical Methodologies, Magnetic Resonance Laboratory "Annalaura Segre", National Research Council (CNR), Via Salaria km 29.300, 00015 Monterotondo, Rome, Italy. donatella.capitani@cnr.it.
4
Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy. vistasilvia@gmail.com.
5
Department of Chemistry, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy. agata.trella@gmail.com.
6
Department of Chemistry, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy. federico.marini@uniroma1.it.
7
Institute of Chemical Methodologies, Magnetic Resonance Laboratory "Annalaura Segre", National Research Council (CNR), Via Salaria km 29.300, 00015 Monterotondo, Rome, Italy. luisa.mannina@uniroma1.it.
8
Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy. luisa.mannina@uniroma1.it.

Abstract

An NMR analytical protocol is proposed to characterize saffron samples of different geographical origin (Greece, Spain, Hungary, Turkey and Italy). A microwave-assisted extraction procedure was developed to obtain a comparable recovery of metabolites with respect to the ISO specifications, reducing the solvent volume and the extraction time needed. Metabolite profiles of geographically different saffron extracts were compared showing significant differences in the content of some metabolites.

KEYWORDS:

NMR; metabolic profiling; microwave-assisted extraction; saffron

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