Table 3.
The retention time (Rt) and mass (MS) characteristics of the main detected peaks in extracts of Rhodiola rosea L.
| Compound No. | Compound Name | Molecular Formula | Molecular Weight | Rt (min) | [M + H]+/[M + Na]+ | Error (ppm) |
|---|---|---|---|---|---|---|
| 1 | 3,4,5-trihydroxybenzoic acid (2S-cis)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-benzo[b]pyran-3-yl ester | C22H18O11 | 458.0849 | 5.10 | 459.0927 | −0.7 |
| 2 | herbacetin-3-O-β-d-glucopyranoside-7-O-α-l-rhamnoside | C27H30O16 | 610.1534 | 21.56 | 611.1612 | 0.8 |
| 3 | kaempferol-7-O-α-l-rhamnoside | C21H20O10 | 432.1056 | 12.29 | 433.1135 | 0.7 |
| 4 | Rhodiocyanoside A | C11H17NO6 | 450.2465 | 1.86 | 260.1138 | 1.2 |
| 5 | Rosarin | C20H28O10 | 428.1682 | 9.76 | 451.1578 | −0.4 |
| 6 | Rosavin | C20H28O10 | 428.1682 | 10.58 | 451.1581 | 0.2 |
| 7 | Rhodionin | C21H20O11 | 449.1084 | 21.60 | 449.1084 | 0.9 |