Food Analytical Methods

, Volume 9, Issue 5, pp 1262–1273 | Cite as

Multi-method Approach to Trace the Geographical Origin of Alpine Milk: a Case Study of Tyrol Region

  • Matteo Scampicchio
  • Daniela Eisenstecken
  • Lorenzo De Benedictis
  • Calogero Capici
  • Davide Ballabio
  • Tanja Mimmo
  • Peter Robatscher
  • Luis Kerschbaumer
  • Michael Oberhuber
  • Annemarie Kaser
  • Christian W. Huck
  • Stefano Cesco
Article

Abstract

This work aims to discriminate milk samples according to their geographical origin, heat treatment, and season of production. This was achieved by combining different techniques, such as isotope ratio mass spectrometry (IRMS), mid- (MIRS) and near-infrared spectroscopies (NIRS), and gas chromatography with flame ionization detector (GC-FID). Milk samples were from North Tyrol (raw milk), South Tyrol (raw milk and high-temperature short time (HTST)), both collected in different seasons. Ultra-high-temperature (UHT) milk samples were from other European regions. These techniques, when used alone, showed limited discrimination capacity. Instead, when such techniques were combined in a multi-variate classification method (PLS-DA), then, milk samples were discriminated according to their geographical origin with an error lower than 5 %. The type of processing and the season were also discriminated. The combination of different techniques compensated their inherent limits and provided a good potential for determining the geographic origin of milk.

Keywords

Geographical origin Milk Isotope ratio mass spectrometry (IRMS) Near-infrared spectroscopy (NIRS) Fatty acid profile (GC-FID) Alpine region 

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Matteo Scampicchio
    • 1
  • Daniela Eisenstecken
    • 2
    • 3
  • Lorenzo De Benedictis
    • 3
  • Calogero Capici
    • 1
  • Davide Ballabio
    • 4
  • Tanja Mimmo
    • 1
  • Peter Robatscher
    • 3
  • Luis Kerschbaumer
    • 5
  • Michael Oberhuber
    • 3
  • Annemarie Kaser
    • 5
  • Christian W. Huck
    • 2
  • Stefano Cesco
    • 1
  1. 1.Free University of BolzanoBolzanoItaly
  2. 2.Institute of Analytical Chemistry and Radiochemistry, CCB-Center for Chemistry and BiomedicineLeopold-Franzens UniversityInnsbruckAustria
  3. 3.Laimburg Research Centre for Agriculture and ForestryAuer (Ora)Italy
  4. 4.Department of Earth and Environmental SciencesUniversity of Milano BicoccaMilanoItaly
  5. 5.Federazione Latterie Alto Adige, Gen. und landw. Ges.BolzanoItaly

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