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Sr/Sr isotope ratio and multielemental signatures as indicators of origin of European cured hams: The role of salt. | LitMetric

Sr/Sr isotope ratio and multielemental signatures as indicators of origin of European cured hams: The role of salt.

Food Chem

LCABIE, UMR UPPA-CNRS 5254 IPREM, Hélioparc, 2 avenue President P. Angot, 64053 Pau, France. Electronic address:

Published: April 2018

AI Article Synopsis

Article Abstract

We have examined the potential of discriminant inorganic constituents (trace-, ultra-trace elements and Sr isotope ratios) to assess the origin of world famous brands of European dry-cured hams. The variation of the multielemental composition with principal component analysis allowed to discriminate the origin of Bayonne hams. Determined ratio Sr/Sr was recognized as a strong additional distinctive parameter. The ratio Sr/Sr allowed to better separate all the different categories of hams in addition to the multi-elemental detection. The major contribution of the value Sr/Sr for the Bayonne ham is directly related to its curing due to the salt used in process coming from the nearby salt mine Salies-de-Béarn. Since the salt represents around 4% of the final product, it will therefore strongly influence the elemental and isotopic composition of hams. The overall discrimination potential of strontium isotope ratio is evidenced in the final statistical discrimination of the origin of hams.

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Source
http://dx.doi.org/10.1016/j.foodchem.2017.10.143DOI Listing

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