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  • Title: High-throughput authentication of edible oils with benchtop Ultrafast 2D NMR.
    Author: Gouilleux B, Marchand J, Charrier B, Remaud GS, Giraudeau P.
    Journal: Food Chem; 2018 Apr 01; 244():153-158. PubMed ID: 29120763.
    Abstract:
    We report the use of an Ultrafast 2D NMR approach applied on a benchtop NMR system (43 MHz) for the authentication of edible oils. Our results demonstrate that a profiling strategy based on fast 2D NMR spectra recorded in 2.4 min is more efficient than the standard 1D experiments to classify oils from different botanical origins, since 1D spectra on the same samples suffer from strong peak overlaps. Six edible oils with different botanical origins (olive, hazelnut, sesame, rapeseed, corn and sunflower) have been clearly discriminated by PCA analysis. Furthermore, we show how this approach combined with a PLS model can detect adulteration processes such as the addition of hazelnut oil into olive oil, a common fraud in food industry.
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