Qualitative and Quantitative Control of Carbonated Cola Beverages Using 1H NMR Spectroscopy

  title={Qualitative and Quantitative
Control of Carbonated
Cola Beverages Using 1H NMR Spectroscopy},
  author={Pauline Maes and Yulia B Monakhova and Thomas Kuballa and Helmut Reusch and Dirk W Lachenmeier},
  booktitle={Journal of agricultural and food chemistry},
¹H Nuclear magnetic resonance (NMR) spectroscopy (400 MHz) was used in the context of food surveillance to develop a reliable analytical tool to differentiate brands of cola beverages and to quantify selected constituents of the soft drinks. The preparation of the samples required only degassing and addition of 0.1% of TSP in D₂O for locking and referencing followed by adjustment of pH to 4.5. The NMR spectra obtained can be considered as "fingerprints" and were analyzed by principal component… CONTINUE READING
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