Number /minMS data in ESI+ MS data in ESI− Identification (1) 3.879 419.14, 257.08 579.17, 417.12 Liquiritin-glu (2) 4.026 441.12, 436.16, 257.08 417.12, 255.07 (3) 4.093 419.14, 436.16, 257.07 417.12, 255.07 Isoliquiritin (4) 4.832 549.16, 531.15, 483.13, 429.10, 393.10 547.15, 529.15, 457.12, 427.12, 337.07 Chrysin-6-C-glu-8-C-ara (5) 5.772 417.12 415.11, 295.06 Chrysin-8-C-glu (6) 6.982 477.11, 499.07, 301.14 475.09, 299.06 Trihydroxy-methoxy-glu acid flavone (7) 7.116 257.08 517.14, 417.12, 255.07 Isoliquiritin apioside (8) 7.519 431.14, 269.08 429.13 Ononin (9) 7.922 447.10, 469.07, 271.06 445.08, 269.05 (10) 8.795 449.11, 273.08 447.10, 271.06 5,6-dihydroxy-7- -glu acid flavanone (11) 9.400 447.09, 469.08, 271.06 445.08, 269.05 Baicalein-5-O -glu acid (12) 10.340 431.09, 255.07 429.09, 253.05 Chrysin-glu acid (13) 10.609 461.11, 285.08 459.10, 283.06, 175.02, 113.02 Oroxylin A-7- -glu acid (14) 10.659 477.11, 301.07 475.09, 299.06 Trihydroxy-methoxy-glu acid flavone (15) 11.012 - 445.08, 269.05 Baicalein-6- -glu acid (16) 11.146 - 445.08, 283.27 Oroxylin A-7- -glu (17) 11.583 461.11, 285.08 459.10, 283.06, 268.04 Wogonoside (18) 13.397 271.06, 169.01 269.05, 197.06 Isowogonin (19) 14.035 301.07, 286.05, 184.00 299.06 Trihydroxy-methoxy flavone (20) 14.438 271.06, 253.05, 169.01 269.05 (21) 14.572 331.08 329.07 Trihydroxy-dimethoxy flavone (22) 20.215 285.08, 270.05 283.06, 268.08 Wogonin (23) 21.492 285.08, 270.05 283.06, 268.04 Oroxylin A (24) 21.626 823.42, 647.38, 471.35, 453.34 821.40 Glycyrrhizic (25) 22.432 803.46, 763.47, 745.46, 619.42, 601.41, 455.36, 437.35 825.47, 799.46 Saikosaponin (26) 22.566 - 807.42 Licoricesaponin B2 (27) 22.768 803.46, 763.47, 745.46, 619.42, 601.41, 455.36, 437.35 825.47, 799.46 Saikosaponin B1