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Calorimetric analysis points out the physical-chemistry of organic olive oils and reveals the geographical origin

Author

Listed:
  • Mallamace, Domenico
  • Vasi, Sebastiano
  • Corsaro, Carmelo
  • Naccari, Clara
  • Clodoveo, Maria Lisa
  • Dugo, Giacomo
  • Cicero, Nicola

Abstract

The thermal properties of many organic extra Virgin Olive Oils (eVOOs) coming from different countries of the world were investigated by Differential Scanning Calorimetry (DSC). This technique, through a series of heating and cooling cycles, provides a specific curve, i.e., a thermogram, which represents the fingerprint of each eVOO sample. In fact, variations due to the different cultivars, geographical origin or chemical composition can be highlighted because they produce changes in the corresponding thermogram. In particular, in this work, we show the results of an unsupervised multivariate statistical analysis applied to the DSC thermograms of many organic eVOOs. This analysis allows us to discriminate the geographical origin of the different studied samples in terms of the peculiar features shown by the melting profiles of the triacylglycerol moieties.

Suggested Citation

  • Mallamace, Domenico & Vasi, Sebastiano & Corsaro, Carmelo & Naccari, Clara & Clodoveo, Maria Lisa & Dugo, Giacomo & Cicero, Nicola, 2017. "Calorimetric analysis points out the physical-chemistry of organic olive oils and reveals the geographical origin," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 486(C), pages 925-932.
    • Handle: RePEc:eee:phsmap:v:486:y:2017:i:c:p:925-932
    DOI: 10.1016/j.physa.2017.06.015
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    References listed on IDEAS

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    1. Dugo, Giacomo & Rotondo, Archimede & Mallamace, Domenico & Cicero, Nicola & Salvo, Andrea & Rotondo, Enrico & Corsaro, Carmelo, 2015. "Enhanced detection of aldehydes in Extra-Virgin Olive Oil by means of band selective NMR spectroscopy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 420(C), pages 258-264.
    2. Mallamace, Domenico & Corsaro, Carmelo & Salvo, Andrea & Cicero, Nicola & Macaluso, Andrea & Giangrosso, Giuseppe & Ferrantelli, Vincenzo & Dugo, Giacomo, 2014. "A multivariate statistical analysis coming from the NMR metabolic profile of cherry tomatoes (The Sicilian Pachino case)," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 401(C), pages 112-117.
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    Cited by:

    1. Mallamace, Domenico & Longo, Sveva & Corsaro, Carmelo, 2018. "Proton NMR study of extra Virgin Olive Oil with temperature: Freezing and melting kinetics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 499(C), pages 20-27.

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    1. Mallamace, Domenico & Longo, Sveva & Corsaro, Carmelo, 2018. "Proton NMR study of extra Virgin Olive Oil with temperature: Freezing and melting kinetics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 499(C), pages 20-27.

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