Direct analysis in real time high resolution mass spectrometry as a tool for rapid characterization of mind-altering plant materials and revelation of.

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Presentation transcript:

Direct analysis in real time high resolution mass spectrometry as a tool for rapid characterization of mind-altering plant materials and revelation of supplement adulteration – The case of Kanna Ashton D. Lesiak, Robert B. Cody, Masaaki Ubukata, Rabi A. Musah Forensic Science International Volume 260, Pages 66-73 (March 2016) DOI: 10.1016/j.forsciint.2015.12.037 Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 DART-HRTOFMS soft ionization spectra of S. tortuosum (Kanna) products. Panel a: Kanna 25X extract powder from World Seed Supply (WSS); Panel b: Kanna 25X powder from Bouncing Bear Botanicals (BBB); Panel c: Kanna 5X powder from BBB; Panel d: Kanna 10X resin from BBB; Panel e: Kanna Smoker's Cut plant material from BBB. The mass measurement data associated with these spectra are shown in Table 1. Forensic Science International 2016 260, 66-73DOI: (10.1016/j.forsciint.2015.12.037) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 Comparison of positive ion mode DART-HRTOFMS spectra under in-source CID conditions of S. tortuosum Kanna products vs. a hordenine standard, rendered as head-to-tail plots. In each case, the top spectrum is that of the Kanna product and the bottom spectrum that of the hordenine standard. The protonated parent (nominal m/z 166) and fragment ions (nominal m/z 135, 121, 103, 93, 91, 77, 58) are observed in the hordenine standard and in the Kanna products. Panel a: Comparison of Bouncing Bear Botanicals (BBB) 25X to hordenine; Panel b: Comparison of BBB 5X to hordenine; Panel c: Comparison of BBB 10X to hordenine; Panel d: Comparison of BBB Smoker's Cut to hordenine; Panel e: Comparison of World Seed Supply (WSS) 25X to hordenine. Forensic Science International 2016 260, 66-73DOI: (10.1016/j.forsciint.2015.12.037) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions

Fig. 3 Comparison of positive ion mode DART-HRTOFMS spectra under in-source CID conditions of the World Seed Supply Kanna 25X product vs. an ephedrine standard, rendered as a head-to-tail plot. The top spectrum is that of the Kanna product and the bottom spectrum, that of the ephedrine standard. The protonated parent (nominal m/z 166) and fragment ions (nominal m/z 148, 133, 115, 105, 91, 70, 56) are found in both the Kanna product and the ephedrine standard. Forensic Science International 2016 260, 66-73DOI: (10.1016/j.forsciint.2015.12.037) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions