Table 1.
Mass spectrometric parameters for internal standard (digoxin) and analytes
| Analyte | Precursor/product ions | FE (V) | CE (eV) |
|---|---|---|---|
| Digoxin | 779.4/649.4 | 260 | 35 |
| Notoginsenoside Fa | 915.6/621.4 | 255 | 34 |
| Notoginsenoside Fc | 1239.8/1107.6 | 220 | 52 |
| Vina-ginsenoside R7 | 1077.6/945.7 | 205 | 48 |
| Notoginsenoside ST4 | 915.6/621.4 | 255 | 34 |
| Notoginsenoside Ft1 | 915.6/621.4 | 255 | 34 |
| 25-OH (20S/R)-ginsenoside Rg3 | 783.6/621.5 | 210 | 35 |
| 20 (R/S)-Ginsenoside Rg3 | 783.6/621.5 | 210 | 35 |
| 20 (S)-Ginsenoside Rh2 | 783.6/621.5 | 210 | 35 |
CE = collision energy; FE = fragment electric voltage.