Analysis of the HPLC Fingerprint and QAMS for Sanhuang Gypsum Soup

Table 6

Rentention time (min) of berberine to mangiferin, geniposide, liquiritin, epiberberine, coptisine, baicalin, palmatine, harpagosid, wogonoside, cinnamic acid, cinnamic aldehyde, baicalein, glycyrrhizic acid, and wogonin on different instruments and different columns.

Instrument	Column	Mangiferin	Geniposide	Liquiritin	Epiberberine	Coptisine	Baicalin	Palmatine	Harpagosid	Wogonoside	Cinnamic acid	Cinnamic aldehyde	Baicalein	Glycyrrhizic acid	Wogonin
Waters2695-2998	Amethy	0.38	0.40	0.58	0.80	0.83	0.92	0.97	1.04	1.14	1.17	1.34	1.41	1.60	1.81
	Hedra	0.41	0.43	0.62	0.82	0.84	0.96	0.97	1.06	1.11	1.18	1.28	1.54	1.59	2.02
	Agilent	0.39	0.41	0.60	0.81	0.83	0.94	0.97	1.05	1.13	1.17	1.30	1.48	1.60	1.91
Agilent1100	Amethy	0.36	0.39	0.57	0.75	0.81	0.90	0.95	1.02	1.13	1.16	1.30	1.38	1.59	1.79
	Hedra	0.37	0.41	0.58	0.77	0.83	0.92	0.96	1.05	1.12	1.16	1.33	1.40	1.58	1.78
	Agilent	0.40	0.42	0.60	0.82	0.85	0.94	0.99	1.06	1.16	1.19	1.36	1.43	1.62	1.83
Mean		0.39	0.41	0.59	0.79	0.83	0.93	0.97	1.05	1.13	1.17	1.32	1.44	1.60	1.86
RSD (%)		5.00	3.03	3.38	4.03	2.76	2.66	1.90	1.85	2.32	1.77	2.95	4.33	1.95	5.00