Number /minMS data in ESI+ MS data in ESI− Identification (1) 4.119 419.14, 257.08 547.15, 457.12, 427.11, 367.08, 337.07 Chrysin-6-C-ara-8-C-glu (2) 4.135 441.12, 436.16, 257.08 417.12, 255.07 (3) 4.186 419.13, 257.08 549.16, 417.12, 255.07 Liquiritigenin apioside (4) 4.202 419.14, 436.16, 257.07 417.12, 255.07 Isoliquiritin (5) 4.287 549.16, 531.15, 483.13, 429.10, 393.10 547.15, 529.15, 487.13, 457.12, 427.12, 367.08, 337.07 Chrysin-6-C-glu-8-C-ara (6) 6.974 477.11, 499.07, 301.14 475.09, 299.06 Trihydroxy-methoxy-glu acid flavone (7) 7.612 551.18, 419.14, 257.08 517.14, 255.07 Isoliquiritin apioside (8) 7.914 447.09, 469.08, 271.06 445.08, 269.05 (9) 8.788 449.11, 273.08 447.09, 271.06 5,6-dihydroxy-7- -glu acid flavanone (10) 9.124 447.09, 469.07, 271.06 445.11, 269.04 Baicalein-5-O-glu acid (11) 9.997 431.10, 255.06 429.08, 253.05 Chrysin-glu acid (12) 10.198 461.11, 285.08 459.09, 283.06, 175.02, 113.02 Oroxylin A-7- -glu acid (13) 10.248 477.11, 301.07 475.09, 299.06 Trihydroxy-methoxy-glu acid flavone (14) 10.266 461.11, 285.08 459.10, 919.19, 283.06, 268.04 Wogonoside (15) 11.475 - 489.10, 13.07 Dihydroxy-dimethoxy-glu acid flavone (16) 11.743 271.06, 253.05, 169.01 269.05, 197.06 Isowogonin (17) 13.087 301.07, 286.05, 184.00 299.06 Trihydroxy-methoxyflavone (18) 13.356 271.06, 253.05, 169.01 269.05 (19) 14.572 331.08 329.07 Trihydroxy-dimethoxyflavone (20) 14.766 285.08, 270.05 283.06 Wogonin (21) 17.857 285.08, 270.05, 168.01 283.06, 268.04 Oroxylin A (22) 18.159 823.42, 647.38, 453.34 821.40 Glycyrrhizic (23) 18.629 803.46, 763.47, 745.46, 619.42, 601.41, 455.36, 437.35 825.47, 799.46 Saikosaponin (24) 18.999 803.46, 763.47, 745.46, 619.42, 601.41, 455.36, 437.35 825.47, 799.46 Saikosaponin B1