Abstract
We studied a possibility of using direct analysis in real time (DART) mass spectrometry in combination with in situ derivatization by nitrogenous heterocyclic compounds for the rapid profiling of sterols in sweetened condensed milk. The data obtained are consistent with the detection of plant sterols by gas chromatography–mass spectrometry (GC–MS). The proposed approach can be used to detect vegetable fats in condensed milk, and the time required for the analysis of one sample, including sample preparation, is several times shorter than that in GC–MS.
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ACKNOWLEDGMENTS
The work was carried out using the equipment of the Center for Collective Use of the RUDN University and the Center for Collective Use “Analytical Center for the Problems of Deep Refining of Oil and Petrochemistry” of the Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences.
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The study was supported by the Russian Foundation for Basic Research and the Moscow Government within the scientific project no. 19-33-70035.
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Translated by O. Zhukova
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Sergey Vladimirovich Goryainov, ORCID 0000-0002-7625-9110.
Cesar Esparza, ORCID 0000-0002-8200-6208.
Alexandra Romanovna Borisova, ORCID 0000-0001-9599-2230.
Khajjar Fadi, ORCID 0000-0001-8819-9349.
Yekaterina Olegovna Rystsova, ORCID 0000-0002-0516-6056.
Nikolay Yurievich Polovkov, ORCID 0000-0002-9898-6116.
Roman Sergeevich Borisov, ORCID 0000-0002-8203-7055.
Vladimir Georgievich Zaikin, ORCID 0000-0001-9360-8442.
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Goryainov, S.V., Esparza, C., Borisova, A.R. et al. Rapid Detection of Vegetable Fat Additives in Condensed Milk by DART Mass Spectrometry. J Anal Chem 76, 1493–1498 (2021). https://doi.org/10.1134/S1061934821130050
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DOI: https://doi.org/10.1134/S1061934821130050