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Detection of the Adulteration of Milk and Dairy Products by Gas Chromatography/Electron Ionization Mass Spectrometry

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Abstract

A comparative analysis of the results of using the method described in GOST (State Standard) 33490-2015, and an original method for the detection and quantification of markers of diary product adulteration with vegetable oils, 4-desmethylsterols, by gas chromatography/electron ionization mass spectrometry was performed. It was shown that, using the original procedure, one can avoid false positive results and reduce the time of analysis.

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ACKNOWLEDGMENTS

We are grateful to the Center of Collective Use (Scientific Education Center) of Peoples’ Friendship University of Russia for providing us with a possibility studies on a mass spectrometer.

Funding

This work was support of the Russian Foundation for Basic Research and the Government of Moscow within the scientific project no. 19-33-70035; the optimization of the procedure of sample preparation was performed within the RUDN Program “5-100.”

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Correspondence to S. V. Goriainov.

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Translated by E. Rykova

ADDITIONAL INFORMATION

S.V. Goriainov: ORCID 00000002-7625-9110.

C.Esparsa: ORCID 0000-0002-8200-6208.

L.N. Kulikova: ORCID 00000001-5111-8111.

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Goriainov, S.V., Esparza, C., Borisova, A.R. et al. Detection of the Adulteration of Milk and Dairy Products by Gas Chromatography/Electron Ionization Mass Spectrometry. J Anal Chem 75, 1774–1780 (2020). https://doi.org/10.1134/S1061934820140099

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  • DOI: https://doi.org/10.1134/S1061934820140099

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