Isotopic and multi-element characterisation for wine protection
Analytical tools for protecting wines: identification of lead contamination sources and of the provenance region
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Since prestige wines are among the most imitated and falsified products, the development of analytical methods for a suitable characterisation of the wines, identification of adulterations and establishment of wine origin is mandatory. On the other hand, control of the source of undesirable elements in wines, like lead, is important to guarantee wine quality to consumers. In this work the two relevant potentialities of the inductively coupled plasma mass spectrometry (ICP-MS) technique, determination of elemental isotopic ratios and multi- element analysis, were applied to these problems. Futu...
Since prestige wines are among the most imitated and falsified products, the development of analytical methods for a suitable characterisation of the wines, identification of adulterations and establishment of wine origin is mandatory. On the other hand, control of the source of undesirable elements in wines, like lead, is important to guarantee wine quality to consumers. In this work the two relevant potentialities of the inductively coupled plasma mass spectrometry (ICP-MS) technique, determination of elemental isotopic ratios and multi- element analysis, were applied to these problems. Future research work is still necessary to complement the information provided by the present study but main results showed the potentialities of ICP-MS to be used in the: (1) identification of major sources of lead in wine through lead isotope ratios; and (2) determination of the provenance of wines and detection/prevention of wine fraud through strontium isotopic ratio and/or wine multi-element composition. This study is a starting point to those interested in the protection of wine quality and of wine origin
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