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Table 1

Chromatographic and spectrometric characteristics of compounds identified in the methanol extract of G. glabra using UPLC-ESI(-)-HRMS.

[M-H]-
Compounds tR (min) Theoretical m/z Experimental m/z Delta (ppm) RDBeq Molecular Formula
Liquiritin apioside 6.50 549.16136 549.16168 0.58 12.5 C26H30O13
Licorice-glycoside C1
or 7.62 725.20825 725.20871 −0.63 18.5 C36H38O16
Licorice-glycoside C2
Naringenin 7.99 271.06120 271.06140 0.75 10.5 C15H12O5
Licorice glycoside A 8.13 725.20871 725.20825 −0.63 18.5 C36H38O16
Echinatin 8.39 269.08193 269.08215 0.82 10.5 C16H14O4
Licorice saponin G2 8.84 837.39142 837.39099 −0.52 12.5 C42H62O17
Liquiritigenin 9.14 255.06628 255.06654 1.03 10.5 C15H12O4
Formononetin 9.36 267.06628 267.06650 0.81 11.5 C16H12O4
Glycyrrhizic acid 9.72 821.39651 821.39612 −0.48 12.5 C42H62O16
Glycybridin J 9.91 369.13436 369.13446 0.27 11.5 C21H22O6
Licorice saponin B2 10.10 807.41724 807.41748 0.29 11.5 C42H64O15
Licorice saponin K2/H2 10.13 821.39541 821.39636 1.16 12.5 C42H62O16
Licoflavone C 10.44 337.10815 337.10831 0.47 12.5 C20H18O5
Erybacin B 11.23 325.10815 325.10834 0.59 11.5 C19H18O5
Glabrone 11.37 335.09250 335.09259 0.28 13.5 C20H16O5
Kanzonol A 11.56 339.12380 339.12375 −0.14 11.5 C20H20O5
Kanzonol W 11.72 335.09250 335.09262 0.37 13.5 C20H16O5
Glabridin 11.82 323.12888 323.12906 0.55 11.5 C20H20O4
Glabrene 11.97 321.11323 321.11337 0.44 12.5 C20H18O4
Kanzonol Y 12.40 409.20205 409.20209 0.10 11.5 C25H30O5
Glycybridin C 12.82 409.20205 409.20227 0.55 11.5 C25H30O5
Phaseollin 13.67 643.23374 643.23376 0.04 23.5 C40H36O8
3-Hydroxyglabrol 14.13 407.18640 407.18671 0.76 12.5 C25H28O5
Glabrol 14.58 391.19148 391.19153 0.12 12.5 C25H28O4