PRECISE DETERMINATION OF STRONTIUM ISOTOPE RATIOS BY TIMS TO AUTHENTICATE TOMATO GEOGRAPHICAL ORIGIN

Claudio Baffi, Stefano Spalla, P. R. Trincherini, P. Barbero, E. Pizzoglio

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

37 Citazioni (Scopus)

Abstract

Thermal Ionization Mass Spectrometry (TIMS) was applied to discriminate a total of 118 tomato samples (berries, “passata”, tinned tomatoes, sauce, double and triple concentrate) coming from two different countries. The TIMS technique gave significantly different results for the 87Sr/86Sr ratios and δ‰ values between Chinese and Italian tomato samples, irrespective of the treatment type. This technique proved to be a “robust” method, suitable for a precise discrimination of the two geographical origins. TIMS was able, within the Italian samples, to discriminate different geographical production areas, by virtue of different 87Sr/86Sr ratios and δ‰ values. This technique could be employed in the field of food safety and quality, as a profitable tool for authenticating tomato geographical origin.
Lingua originaleEnglish
pagine (da-a)1-32
Numero di pagine32
RivistaFood Chemistry
Volume2013
DOI
Stato di pubblicazionePubblicato - 2013

Keywords

  • Food authentication
  • Fraud
  • Geographical origin
  • TIMS
  • Tomato
  • strontium isotopic composition

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