(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Figure 2: Representative extract ions chromatograms for the determination of the 10 analytes. (a) Atractylenolide I (2.28 min). (b) Atractylenolide III (1.83 min). (c) Calycosin-7-O-β-D-glucoside (1.04 min). (d) Fangchinoline (0.98 min). (e) Tetrandrine (1.01 min). (f) Liquiritigenin (1.47 min) and isoliquiritigenin (1.72 min). (g) Liquiritin (1.17 min) and isoliquiritin (1.31 min). (h) Glycyrrhizin (1.60 min).