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In the development of a geographical traceability model, it is necessary to understand if the value of the monitored indicators in a food is correlated to its origin or if it is also influenced by ‘external factors’ such as those coming from its production. In this study, a deeper investigation of the trend of direct geographical traceability indicators along the winemaking process of two traditional...
Isotope Ratio Mass Spectrometry (IRMS), 1H Nuclear Magnetic Resonance (1H NMR), conventional chemical analysis and chemometric elaboration were used to assess quality and to define and confirm the geographical origin of 177 Italian PDO (Protected Denomination of Origin) olive oils and 86 samples imported from Tunisia.Italian olive oils were richer in squalene and unsaturated fatty acids, whereas Tunisian...
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