Table 1.
Tentative markers for discriminating radix Angelica sinensis (RAS) from geoherbs and non-geoherbs.
| Compound | m/z (ESI+) | Rt (min) | Tentative Formula | VIP | MS/MS Fragment Ion (m/z) | Identification |
|---|---|---|---|---|---|---|
| M1 | 387.1074 | 5.523 | C20H18O8 | 8.739 | 371.2273, 283.1760, 177.1127, 133.0857, 89.0597, 45.0338 | Unknown |
| M2 | 563.1888 | 6.583 | C38H26O5 | 2.184 | 481.2603, 305.1541, 207.1018, 133.0865, 89.0597, 45.0337 | Unknown |
| M3 | 163.0752 | 7.600 | C10H10O2 | 2.032 | 131.0476, 103.0546, 77.0385 | Unknown |
| M4 | 641.2017 | 6.976 | C36H32O11 | 1.923 | 323.0893, 291.0971, 83.0855, 45.0337 | Unknown |
| M5 | 131.0490 | 7.598 | C6H10O3 | 1.908 | 115.0535, 103.0538 | Unknown |
| M6 | 751.2359 | 8.176 | C24H46O26 | 1.860 | 557.1798, 395.1120, 163.0749, 131.0493, 103.0535 | Unknown |
| M7 | 313.1074 | 6.218 | C18H16O5 | 1.678 | 177.0547, 145.0285, 117.0341 | Ferulate |
| M8 | 1067.2065 | 5.609 | 1.565 | 551.0790 | Unknown | |
| M9 | 130.0868 [M + H − NH3]+ | 0.802 | C5H10N2O3 | 1.536 | 84.0808, 56.0497 | Glutamine |