Research Article
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 |
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