Figure 1. (A–C) The chromatograms of FS extract Figure 1. (A–C) The chromatograms of FS extract. (A) DAD chromatogram at 254 nm, (B) base peak chromatogram (BPC) in negative ion mode and (C) BPC in positive ion mode. From: Identification and Quantification Analysis on the Chemical Constituents from Traditional Mongolian Medicine Flos Scabiosae Using UHPLC–DAD–Q-TOF-MS Combined with UHPLC–QqQ-MS J Chromatogr Sci. 2016;54(6):1028-1036. doi:10.1093/chromsci/bmw041 J Chromatogr Sci | © The Author 2016. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com
Figure 2. MRM chromatograms of 10 investigated compounds and internal standards: (1) apigenin; (2) cosmosiin; (3) rhoifolin; (4) luteolin; (5) cynaroside; (6) quercetin; (7) isoorientin; (8) caffeic acid; (9) chlorogenic acid; (10) rutin; (IS) Notoginsenoside R1. This figure is available in black and white in print and in color at JCS online. From: Identification and Quantification Analysis on the Chemical Constituents from Traditional Mongolian Medicine Flos Scabiosae Using UHPLC–DAD–Q-TOF-MS Combined with UHPLC–QqQ-MS J Chromatogr Sci. 2016;54(6):1028-1036. doi:10.1093/chromsci/bmw041 J Chromatogr Sci | © The Author 2016. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com
Figure 3. (A–E) ESI–Q-TOF-MS spectra and the proposed fragmentation pathway of chlorogenic acid (A), luteolin (B), isoorientin (C), cynaroside (D) and swertiamarine (E). This figure is available in black and white in print and in color at JCS online. From: Identification and Quantification Analysis on the Chemical Constituents from Traditional Mongolian Medicine Flos Scabiosae Using UHPLC–DAD–Q-TOF-MS Combined with UHPLC–QqQ-MS J Chromatogr Sci. 2016;54(6):1028-1036. doi:10.1093/chromsci/bmw041 J Chromatogr Sci | © The Author 2016. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com