Quality Analysis of Long dan Xie gan Pill by a Combination of Fingerprint and Multicomponent Quantification with Chemometrics Analysis

Table 2

Identification of characteristic peaks of Long dan Xie gan pill.

Peak no.	Compounds	tR (min)	Molecular formula	Molecular weight	Quasimolecular ions	Origin
3	Geniposidic acid	7.83	C16H22O10	374.34	372.9 [M-H]^−	Gardeniae fructus
6	Geniposide	15.07	C17H24O10	388.37	433.0 [M+HCOO]^−	Gardeniae fructus
7	Gentiopicrin	16.18	C16H20O9	356.32	400.9 [M+HCOO]^−	Gentianae radix et rhizoma
8	Verbascoside	22.86	C29H36O15	624.59	623.0 [M-H]^−	Plantaginis semen/rehmanniae radix
10	Baicalin	33.88	C21H18O11	446.36	445.0 [M-H]^−	Scutellariae radix
11	Isomer of wogonoside	38.62	C22H20O11	460.39	459.0 [M-H]^−	Scutellariae radix
12	Wogonoside	40.44	C22H20O11	460.39	459.0 [M-H]^−	Scutellariae radix
14	Baicalein	43.82	C15H10O5	270.24	268.9 [M-H]^−	Scutellariae radix
15	Isomer of wogonin	51.40	C16H12O5	284.26	282.9 [M-H]^−	Scutellariae radix
16	Wogonin	51.99	C16H12O5	284.26	282.9 [M-H]^−	Scutellariae radix