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Varietal and Geographical Origin Characterization of Peaches and Nectarines by Combining Analytical Techniques and Statistical Approach

TitleVarietal and Geographical Origin Characterization of Peaches and Nectarines by Combining Analytical Techniques and Statistical Approach
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2021
AuthorsTamasi, Gabriella, Bonechi Claudia, Leone Gemma, Andreassi Marco, Consumi Marco, Sangiorgio Paola, Verardi Alessandra, Rossi Claudio, and Magnani Agnese
JournalMolecules
Volume26
Issue14
Pagination4128
Date PublishedJan-07-2021
ISSN14203049
KeywordsPrunus persica L.; vegetable matrix; reology; thermogravimetryic analysis; HPLC-ESI-MS; NMR spectroscopy; time of flight secondary ions mass spectrometry ToF-SIMS; antioxidants capacity; chemometry
Abstract

Prunus persica L. is one of the most important fruit crops in European production, after grapes, apples, oranges and watermelons. Most varieties are rich in secondary metabolites, showing antioxidant properties for human health. The purpose of this study was to develop a chemical analysis methodology, which involves the use of different analytical-instrumental techniques to deepen the knowledge related to the profile of metabolites present in selected cultivars of peaches and nectarines cultivated in the Mediterranean area (Southern Italy). The comparative study was conducted by choosing yellow-fleshed peaches (RomeStar, ZeeLady) and yellow-fleshed nectarines (Nectaross, Venus) from two geographical areas (Piana di Sibari and Piana di Metaponto), and by determining the chemical parameters for the flesh and skin that allow for identification of any distinctive varietal and/or geographical characteristics. A combined analytical and chemometric approach was used, trough rheological, thermogravimetric (TGA), chromatographic (HPLC-ESI-MS), spectroscopic (UV-Vis, ATR-FTIR, NMR) and spectrometric (ToF-SIMS) analysis. This approach allowed us to identify the characterizing parameters for the analysis of a plant matrix so that the developed methodology could define an easily exportable and extendable model for the characterization of other types of vegetable matrices.

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URLhttps://www.mdpi.com/1420-3049/26/14/4128/htm
DOI10.3390/molecules26144128
Short TitleMolecules
Citation Key9070