1. The isotope database, a European asset
Every year, each wine-producing member country of the European Union is required to produce an isotope database (IDB) to characterize its production . This database is a yearly fingerprint of the isotopic distribution of each wine-growing area. By extension, these reference values can also be used to verify the authenticity of a vintage, as well as the geographical origin of a wine.
Figure 1 shows three concrete cases of commercial wines suspected of adulteration. For these three examples, the châteaux made the authentic samples available to us for...
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The isotope database, a European asset
Use of internal markers
Bibliography
- (1) - Determination of the deuterium distribution in ethanol derived from fermentation of grape musts, concentrated grape musts, grape sugar (rectified concentrated grape musts) and wines by application of nuclear magnetic resonance (SNIF-NMR/RMN-FINS 1). - OIV-MA-AS311-05.
- (2) - Determination by isotope...
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