Table 1.
Main compounds detected in P. ginseng extracts.
| Peak no. | Assigned identity | Rt | Molecular formula | [M-H]−([M-H+HCOOH]−) | ||
|---|---|---|---|---|---|---|
| /min | Theoretical mass/Da | Mean measured mass/Da | Mass accuracy /∗10−6 | |||
| 1 | ginsenoside Rf | 9.96 | C42H72O14 | 845.4899 | 845.495 | 6.03 |
| 2 | notoginsenoside R2 | 10.89 | C41H70O13 | 815.4810 | 815.4793 | -2.08 |
| 3 | ginsenoside Rg2 | 11.80 | C42H72O13 | 829.4950 | 829.4910 | -4.82 |
| 4 | ginsenoside Rh1 | 11.93 | C36H62O9 | 683.4370 | 683.4380 | 1.46 |
| 5 | ginsenoside Rb3 | 14.69 | C53H90O22 | 1077.5846 | 1077.5762 | -7.80 |
| 6 | chikusetsusaponin IVa | 15.21 | C42H66O14 | 793.4374 | 793.4314 | -7.56 |
| 7 | ginsenoside Rd | 16.02 | C48H82O18 | 991.3988 | 991.3899 | -8.98 |
| 8 | ginsenoside Rg6 | 18.82 | C42H70O12 | 811.4844 | 811.4838 | -0.74 |
| 9 | ginsenoside F2 | 21.36 | C42H72O13 | 783.4895 | 783.4824 | -9.06 |
| 10 | ginsenoside Rg3 | 22.88 | C42H72O13 | 783.4895 | 783.4904 | 1.15 |