Fig. 1

Three-dimensional chromatogram of GMSYS by HPLC-PDA. The retention times of 11 marker compounds—gallic acid, neomangiferin, chlorogenic acid, mangiferin, geniposide, paeoniflorin, berberine, liquiritin, nodakenin, glycyrrhizin, and atractylenolide III—were approximately 6.32, 10.82, 12.63, 13.04, 13.53, 15.17, 15.35, 16.61, 17.27, 29.86, and 34.00 min, respectively