Publications by authors named "Katy Dinis"
Article Synopsis
- Carrots from different agricultural regions were analyzed using advanced UHPLC-HRMS techniques to identify chemical markers.
- An in-house workflow helped process data, leading to the development of models for distinguishing carrots from New Aquitaine and Normandy regions, with specific compounds like arginine and 6-methoxymellein identified as potential markers.
- Discriminating carrots by production mode (organic vs. conventional) proved more difficult, showing only limited trends and unsatisfactory model metrics.
Isotope ratio monitoring by C NMR spectrometry (irm-C NMR) provides the complete C intramolecular position-specific composition at natural abundance. It represents a powerful tool to track the (bio)chemical pathway which has led to the synthesis of targeted molecules, since it allows Position-specific Isotope Analysis (PSIA). Due to the very small composition range (which represents the range of variation of the isotopic composition of a given nuclei) of C natural abundance values (50‰), irm-C NMR requires a 1‰ accuracy and thus highly quantitative analysis by C NMR.
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