Verifying the geographical origin of beef

The application of multi-element isotope and trace element analysis

Karl Heaton, Simon D. Kelly, Jurian Hoogewerff, Mark Woolfe

Research output: Contribution to journalArticle

126 Citations (Scopus)

Abstract

Beef samples originating from the major cattle producing regions of the world (Europe, USA, South America, Australia and New Zealand) have been analysed using IRMS and ICP-MS. C and N isotope composition of the beef defatted dry mass and H and O isotope composition of the corresponding lipid fractions were determined. It was observed that intensive maize and/or C4 pasture feeding, during cattle production, gave rise to significant differences in the 13C content of beef produced in Brazil and the USA versus British beef fed predominantly on C3 pasture and fodder. The mean δ2H‰ and δ18O‰ values of beef lipid correlated well with the latitude of production regions and the relationship between the H and O isotopic contents were found to parallel the Meteoric Water Line. These findings support the hypothesis that the systematic global variations in the 2H and 18O content of precipitation are transferred through drinking water and feed into beef lipid. Multi-element concentrations determined in the beef were combined with the stable isotope data and submitted to multivariate analysis. Six key variables (δ13C‰ (defatted dry mass), Sr, Fe, δ2H‰ (lipid), Rb and Se) were identified by canonical discriminant analysis as providing the maximum discrimination between beef samples on the basis of the broad geographical areas (Europe, South America and Australasia). It was concluded that the methodology in its current state can be used to provide reliable origin information, but this is dependent upon the countries under investigation.

Original languageEnglish
Pages (from-to)506-515
Number of pages10
JournalFood Chemistry
Volume107
Issue number1
DOIs
Publication statusPublished - 1 Mar 2008
Externally publishedYes

Fingerprint

Beef
Trace Elements
Isotopes
trace elements
isotopes
beef
Lipids
South America
lipids
pastures
Australasia
Water piping systems
South Australia
cattle production
Australasian region
Red Meat
Discriminant Analysis
Discriminant analysis
lipid composition
Chemical analysis

Cite this

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abstract = "Beef samples originating from the major cattle producing regions of the world (Europe, USA, South America, Australia and New Zealand) have been analysed using IRMS and ICP-MS. C and N isotope composition of the beef defatted dry mass and H and O isotope composition of the corresponding lipid fractions were determined. It was observed that intensive maize and/or C4 pasture feeding, during cattle production, gave rise to significant differences in the 13C content of beef produced in Brazil and the USA versus British beef fed predominantly on C3 pasture and fodder. The mean δ2H‰ and δ18O‰ values of beef lipid correlated well with the latitude of production regions and the relationship between the H and O isotopic contents were found to parallel the Meteoric Water Line. These findings support the hypothesis that the systematic global variations in the 2H and 18O content of precipitation are transferred through drinking water and feed into beef lipid. Multi-element concentrations determined in the beef were combined with the stable isotope data and submitted to multivariate analysis. Six key variables (δ13C‰ (defatted dry mass), Sr, Fe, δ2H‰ (lipid), Rb and Se) were identified by canonical discriminant analysis as providing the maximum discrimination between beef samples on the basis of the broad geographical areas (Europe, South America and Australasia). It was concluded that the methodology in its current state can be used to provide reliable origin information, but this is dependent upon the countries under investigation.",
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Verifying the geographical origin of beef : The application of multi-element isotope and trace element analysis. / Heaton, Karl; Kelly, Simon D.; Hoogewerff, Jurian; Woolfe, Mark.

In: Food Chemistry, Vol. 107, No. 1, 01.03.2008, p. 506-515.

Research output: Contribution to journalArticle

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