Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 401, Issue -, Pages 112-117Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2013.12.054
Keywords
HR-MAS NMR; Metabolomics; Pachino tomato; Food science
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We have studied by means of High Resolution Magic Angle Spinning Nuclear Magnetic Resonance the metabolic profile of the famous Sicilian cherry tomato of Pachino. Thanks to its organoleptic and healthy properties, this particular foodstuff was the first tomato accredited by the European PGI (Protected Geographical Indication) certification of quality. Due to the relatively high price of the final product commercial frauds originated in the Italian and international markets. Hence, there is a growing interest to develop analytical techniques able to predict the origin of a tomato sample, indicating Whether or not it originates from the area of Pachino, Sicily (Italy). In this paper we have determined the molar concentration of the metabolites constituent the PGI cherry tomato of Pachino. Furthermore, by means of a multivariate statistical analysis we have identified which metabolites are relevant for sample differentiation. (c) 2014 Elsevier B.V. All rights reserved.
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