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Article

Salento Honey (Apulia, South-East Italy): A Preliminary Characterization by 1H-NMR Metabolomic Fingerprinting

Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce-Monteroni, 73100 Lecce, Italy
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Sustainability 2020, 12(12), 5009; https://doi.org/10.3390/su12125009
Received: 17 April 2020 / Revised: 15 June 2020 / Accepted: 16 June 2020 / Published: 18 June 2020
(This article belongs to the Collection Biodiversity 2020: Agriculture, Environment and Wellbeing)
Honey is a natural sweet substance produced by honeybees from the nectar of flowers, plant secretions or plant-sucking insect excretions. Sugars and water constitute the major components, other minor components characterize the organoleptic and nutritional properties. To date, Salento (Apulia region, Italy) honey production is considerably threatened due to the suggested use of neonicotinoids in order to control the insect-vectored bacterium Xylella fastidiosa (subsp. pauca). Metabolomics based on Nuclear Magnetic Resonance (NMR) spectroscopy was used to describe, for the first time, the composition of honey samples from different Salento producers. Exploratory Principal Component Analysis (PCA) showed, among the observed clustering, a separation between light and dark honeys and a discrimination according to producers, both further analyzed by supervised multivariate analysis. According to the obtained data, although limited to small-scale emerging production, Salento honey shows at the molecular level, a range of specific characteristic features analogous to those exhibited by similar products originating elsewhere and appreciated by consumers. The impact on this production should therefore be carefully considered when suggesting extensive use of pesticides in the area. View Full-Text
Keywords: honey; spectroscopic fingerprint; metabolomics; nuclear magnetic resonance (NMR); multivariate statistical analysis honey; spectroscopic fingerprint; metabolomics; nuclear magnetic resonance (NMR); multivariate statistical analysis
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MDPI and ACS Style

Girelli, C.R.; Schiavone, R.; Vilella, S.; Fanizzi, F.P. Salento Honey (Apulia, South-East Italy): A Preliminary Characterization by 1H-NMR Metabolomic Fingerprinting. Sustainability 2020, 12, 5009. https://doi.org/10.3390/su12125009

AMA Style

Girelli CR, Schiavone R, Vilella S, Fanizzi FP. Salento Honey (Apulia, South-East Italy): A Preliminary Characterization by 1H-NMR Metabolomic Fingerprinting. Sustainability. 2020; 12(12):5009. https://doi.org/10.3390/su12125009

Chicago/Turabian Style

Girelli, Chiara R., Roberta Schiavone, Sebastiano Vilella, and Francesco P. Fanizzi. 2020. "Salento Honey (Apulia, South-East Italy): A Preliminary Characterization by 1H-NMR Metabolomic Fingerprinting" Sustainability 12, no. 12: 5009. https://doi.org/10.3390/su12125009

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