Table 1.
Analysis of THSWD by UPLC-TOF-MS.
| No. | RT1 (min) | RT2 (min) | Name | Molecular weight | Molecular formula | Source |
|---|---|---|---|---|---|---|
| 1 | 1.72 | 1.62 | Gallic acid | 170.12 | C7H6O5 | HH,BS |
| 2 | 2.06 | Rehmannioside D | 686.61 | C27H42O20 | SD | |
| 3 | 2.69 | 2.63 | Protocatechuic acid | 154.12 | C6H3COOH | HH,CX |
| 4 | 3.80 | P-Hydroxybenzoic acid | 138.13 | C7H6O3 | HH | |
| 5 | 4.05 | 4.06 | Hydroxysafflor yellow A | 612.53 | C27H32O16 | HH |
| 6 | 5.08 | Caffeic acid | 180.16 | C9H8O4 | DG,CX | |
| 7 | 5.67 | 5.66 | Amygdalin | 457.43 | C20H27NO11 | TR |
| 8 | 6.42 | Chlorogenic acid | 354.31 | C16H18O9 | DG,HH | |
| 9 | 10.26 | 10.29 | Paeoniflorin | 480.45 | C23H28O11 | BS |
| 10 | 10.66 | Ferulaic acid | 194.19 | C10H10O4 | DG,CX | |
| 11 | 11.41 | Benzoic acid | 122.12 | C6H5COOH | BS | |
RT1 is retention time of mixed reference standard compounds and RT2 is retention time of THSWD.