TABLE 3.
The identified six compounds from R. przewalskii ethanol extract.
| No | Rt (min) | MS−(m/z) | MS+ (m/z) | Formula | Proposed compounds | References or HPLC |
|---|---|---|---|---|---|---|
| 1 | 10.30 | 289.0725 | 291.0868 | C15H14O6 | Catechin | TLC |
| 2 | 12.98 | 479.0804 | – | C21H20O13 | Myricetin 3-O-galactoside | Huang et al., 2009 |
| 3 | 17.54 | 463.0892 | 465.1029 | C21H20O12 | Hyperoside | HPLC |
| 4 | 18.92 | 433.0783 | 435.0928 | C20H18O11 | Avicularin | HPLC |
| 5 | 20.30 | 489.1570 | 491.2409 | C23H28O11 | Paeoniflorin | TLC |
| 6 | 24.78 | 447.0947 | 449.1095 | C21H20O11 | Astragalin | HPLC |
| 7 | 27.27 | 315.0526 | 317.0662 | C16H12O7 | Azaleatin | HPLC |
| 8 | 28.85 | 301.0732 | 303.0511 | C15H10O7 | Quercetin | HPLC |
| 9 | 29.95 | 285.0416 | 287.0558 | C15H10O6 | Kampferol | HPLC |