Table 4.
Selectivity factors determined for HPLC columns with various stationary phases
| Column | α = k lycopene/k lutein | α = k β-carotene/k lycopene |
|---|---|---|
| Discovery C18 | 4.568 | 1.455 |
| Halo C18 | 82.026 | 1.720 |
| XBridge C18 | 5.410 | 1.429 |
| GraceSmart RP 18 | 3.782 | 1.736 |
| Betasil C18 | 4.472 | 1.448 |
| Kinetix C18 100A | 13.579 | 1.760 |
| Ib-Sil C18 | 8.925 | 1.633 |
| Onyx monolithic C18 | 3.334 | 1.430 |
| Platinum C18 100A | 1.905 | 1.586 |
| Spherisorb | 1.000 | 1.000 |
| Spherisorb ODS2 | 2.176 | 1.378 |
| X SELECT | 3.048 | 1.454 |
| Spherisorb ODS-2 | 2.327 | 1.439 |
| Prontosil | 1.236 | 1.786 |
| Hichrom | 1.434 | 1.197 |