Thread spray mass spectrometry for direct analysis of capsaicinoids in pepper products

Analytica Chimica Acta
Sierra JacksonAbraham K Badu-Tawiah

Abstract

Thread spray ambient ionization uses single threads as a medium for sampling and ionization. This approach was demonstrated through the detection of various capsaicinoids from the interior of pepper fruits without destruction of the sample. Pepper residues present on the thread were analyzed by the application of DC voltage and solvent to cause field-induced charged droplet generation. Capsaicinoids extracted from the sample are contained in the electrosprayed droplets and transported to the mass spectrometer for characterization. The thread spray mass spectrometry method was optimized using commercially available materials like 100% cotton, cotton:polyester (35/65), 100% polyester, and nylon fabrics and subsequently applied for in-situ analysis of six different pepper fruits and pepper spray residues on fabrics. The results indicated that the special physico-chemical characteristics of threads allowed a rapid and convenient sampling and ionization of pepper products for analysis by mass spectrometry. The total capsaicinoid ion yields for the various pepper products correlated very well with that reported in Scoville Heat Units, suggesting that quantitative assessment of pungency levels may be achieved via the direct sample ana...Continue Reading

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Citations

Sep 7, 2019·Mass Spectrometry Reviews·Benjamin S FreyAbraham K Badu-Tawiah
May 27, 2021·Mass Spectrometry Reviews·Maria Del Mar Boronat EnaVincenzo Abbate
May 13, 2021·Annual Review of Analytical Chemistry·Suji LeeAbraham K Badu-Tawiah
Nov 18, 2020·Journal of the American Society for Mass Spectrometry·Pallab BasuriThalappil Pradeep
Nov 2, 2019·Analytical Chemistry·Devin J SwinerAbraham K Badu-Tawiah
May 11, 2019·Analytical Chemistry·Nicolás M MoratoR Graham Cooks
Oct 15, 2021·Analytical Methods : Advancing Methods and Applications·Deonir AgustiniDosil Pereira de Jesus
Dec 24, 2021·Analytical Methods : Advancing Methods and Applications·Fangfang LuZhiping Zhang
Jan 15, 2022·Analytical Chemistry·Yu WangYan Zhou

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