Caffeine quantification in dietary supplements using high-throughput on-line solid phase extraction coupled to Venturi easy ambient sonic-spray ionization mass spectrometry

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Artigo
Data de publicação
2024
Periódico
Analytical Methods
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0
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Tega D.U.
Campos Oliveira L.F.
Ferreira P.C.
Soldera B.B.
Nascimento H.D.L.
Eberlin M.N.
Sussulini A.
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Resumo
© 2024 The Royal Society of Chemistry.Caffeine is present in a large number of beverages and is an additive used in dietary supplements. Therefore, the concern about its quality and safety for consumers has been increasing and hence requires faster and simpler analytical methods to determine the caffeine amount. The high-throughput analysis is an appropriate solution to pharmaceuticals, bioanalysis, forensic and food laboratory routines. In this sense, Venturi easy ambient sonic-spray ionization mass spectrometry (V-EASI-MS), a specific ambient ionization source, is suitable to enable direct analysis of sample solutions in real time and is appropriate to be coupled to liquid chromatography (LC). The development of an on-line solid phase extraction system coupled to V-EASI-MS optimizes the advantages of LC-MS hyphenation by enhancing the figures of merit of the analytical method according to AOAC guidelines and simultaneously minimizing the runtime analysis to 1.5 min per sample, as well as sample preparation steps and solvent consumption, which is currently a challenge for quantitative applications of ambient ionization MS.
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Ambient ionizations , Analytical method , Easy ambient sonic spray ionizations , High-throughput , High-throughput analysis , Ionization mass spectrometry , On-line solid phase extraction , Quality and safeties , Simple++ , Venturi
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