Research Article
Rapid Screening of Chemical Constituents in Rhizoma Anemarrhenae by UPLC-Q-TOF/MS Combined with Data Postprocessing Techniques
Table 1
Characteristic fragments and neutral loss information of chemical substances in the Rhizoma Anemarrhenae.
| | Compound classification | Subclass | Characteristic fragments | Neutral loss |
| | Steroidal saponins | | | | Spirostanol saponins
| Type I saponins | 273 C19H29O]−, 255 C19H27]−, 301 C21H33O]−, 283 C21H31]− | 162 (C6H10O5), 132 (C5H8O4)
18 (H2O)
142 (C8H14O2) | | Type II and type III saponins | 289 C19H29O2]−,
317 C21H33O2]− | | Type IV saponins | 271 C19H27O]−, 253 C19H25]−,
299 C21H31O]−, 281 C21H29]− | Furostan saponins
M-H-OH]−
M-H-OCH3]− | Type V saponins | 269 C19H25O]−, 251 C19H23]− | | Flavonoids | Mangiferin-type flavonoids | | 90 (C3H6O3),
120 (C4H8O4) | | Chalcone-type flavonoids | 119 C8H7O]− or 146 C9H6O2]− | | | Flavanones | 119 C8H7O]−,
165 C8H5O4]− | | | Homoisoflavonoid | 133 C9H9O]− | | | Icariin-type flavonoids | 367 C21H19O6]− | 162 (C6H10O5), 132 (C5H8O4) | | Phenylpropanoids | coumarins | 107 C7H7O]−,
91 C7H7]− | | | Benzophenones | | | 94 (C6H6O)
44 (CO2) | | Alkaloids | Amide alkaloids | | 119 (C8H7O)
15 (CH3) |
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