alexa Natural abundance 2H-ERETIC-NMR authentication of the origin of methyl salicylate.
Chemistry

Chemistry

Journal of Environmental Analytical Chemistry

Author(s): Le Grand F, George G, Akoka S, Le Grand F, George G, Akoka S

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Abstract Methyl salicylate is a compound currently used in the creation of many flavors. It can be obtained by synthesis or from two natural sources: essential oil of wintergreen and essential oil of sweet birch bark. Deuterium site-specific natural isotope abundance (A(i)) determination by NMR spectroscopy with the method of reference ERETIC ((2)H-ERETIC-NMR) has been applied to this compound. A(i) measurements have been performed on 19 samples of methyl salicylate from different origins, natural/synthetic and commercial/extracted. This study demonstrates that appropriate treatment performed on the data allows discrimination between synthetic and natural samples. Moreover, the representation of intramolecular ratios R(6/5) as a function of R(3/2) distinguishes between synthetics, wintergreen oils, and sweet birch bark oils. This article was published in J Agric Food Chem and referenced in Journal of Environmental Analytical Chemistry

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