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The applications of the stable isotope ratio analyses (D/H, 13 C and 18 O) in the assessment of watering in beverages such as wine and fruit juices are discussed in this study. The measurement of 18 O/ 16 O ratio in combination with D/H and 13 C/ 12 C ratio is mainly focused and the international official methods implementing stable isotope techniques...
We applied direct injections of headspace gas into a Gas Chromatography – Combustion – Isotope Ratio Mass Spectrometry (GC-C-IRMS) system to measure 13 C/ 12 C isotopic ratio of carbon dioxide from the headspace of several sparkling and soft-drinks. This straightforward technique, which consists in an automated analysis of the headspace sample with no prior purification steps, improves...
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