Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 40, Issue -, Pages 38-51Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2012.08.003
Keywords
Authentication; Beverage; Chemometrics; Elemental composition; Food; Geographical origin; Isotope ratio; Mass spectrometry; Multi-element; Statistical tool
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Determination of the geographical origin of food and beverages has been a growing issue over the past decade for all countries around the world, mostly because of the concern of consumers about the authenticity of the food that they eat. An increasing number of research articles in the past five years have investigated the elemental composition and the isotope ratios as indicators to determine the origin of food and beverages. The indicators commonly used are stable-isotope ratios of hydrogen, oxygen, nitrogen, carbon and sulfur, combined with isotope ratios of strontium and lead, and elemental concentrations. This article reviews the application of multi-element and multi-isotope methods and the statistical tools used to determine the geographical origin of food and beverages in the European Union from 2008 to early 2012. We review 48 papers, divided between different food commodities. (C) 2012 Elsevier Ltd. All rights reserved.
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