Table 2.
Langmuir and Freundlich adsorption parameters of the four target saponins on D-101 resin at 2°C
| Compounds | Langmuir equation | R2 | Freundlich equation | 1/n | R2 |
|---|---|---|---|---|---|
| GY-XVII | Qe = 29.x6Ce/(Ce + 0.0888) | 0.9997 | Qe = 25.3Ce0.1122 | 0.1122 | 0.9821 |
| NG-Fe | Qe = 114.9Ce/(Ce + 0.4942) | 0.9989 | Qe = 83.1Ce0.1076 | 0.1076 | 0.9935 |
| G-Rd2 | Qe = 57.5Ce/(Ce + 0.2414) | 0.9986 | Qe = 42.3Ce0.1609 | 0.1609 | 0.9584 |
| NG-Fd | Qe = 128.2Ce/(Ce + 0.4487) | 0.9991 | Qe = 94.0Ce0.1026 | 0.1026 | 0.9969 |
G, ginsenoside; GY, gypenoside; NG, notoginsenoside.