Multi-element (H,C,N,S) stable isotope characteristics of lamb meat from different European regions

Camin, F., Bontempo, L., Heinrich, K., Horacek, M., Kelly, S. D., Schlicht, C., Thomas, F., Monahan, F. J., Hoogewerff, J. and Rossmann, A. (2007) Multi-element (H,C,N,S) stable isotope characteristics of lamb meat from different European regions. Analytical and Bioanalytical Chemistry, 389 (1). pp. 309-320. ISSN 1618-2650

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Abstract

Multi-element (H,C,N,S) stable isotope ratio analysis was tested for its suitability as a means for geographical provenance assignment of lamb meat from several European regions. The defatted dry matter (crude protein fraction) from lamb meat was found to be a suitable probe for “light” element stable isotope ratio analysis. Significant differences were observed between the multi-element isotope ratios of lamb samples from different regions. The mean hydrogen isotopic ratios of the defatted dry matter from lamb were found to be significantly correlated with the mean hydrogen isotopic ratios of precipitation and groundwater in the production regions. Carbon and nitrogen isotopic ratios were influenced by feeding practices and climate. Sulfur isotopic ratios were influenced by geographical location and surface geology of the production region. The results permitted differentiation of lamb meat, from most production regions, by inspection. However, more sophisticated evaluation of the data using multivariate methods, such as linear discriminant analysis, achieved 78% correct classification.

Item Type:	Article
Uncontrolled Keywords:	lamb,geographic origin,stable isotopes,ratios,authenticity,sdg 13 - climate action ,/dk/atira/pure/sustainabledevelopmentgoals/climate_action
Faculty \ School:	Faculty of Science > School of Environmental Sciences Faculty of Science Faculty of Science > School of Chemistry
Depositing User:	Rachel Smith
Date Deposited:	22 Mar 2011 16:48
Last Modified:	22 Apr 2023 01:12
URI:	https://ueaeprints.uea.ac.uk/id/eprint/26923
DOI:	10.1007/s00216-007-1302-3

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