Table 4. Comparison of the Estimated Isotherm Parameters for trans-Resveratrol and Naringenin onto the RENSA Resins, for 20% Ethanol (the parameters for the experiments with Milli-Q water are shown as a reference)a.
|
trans-resveratrol on RENSA
PX |
naringenin
on RENSA PX |
|||||
|---|---|---|---|---|---|---|
| water | 20% | 20% + 1% HCl | water | 20% | 20% + 1% HCl | |
| Qmax (mg·gwet–1) | 80 ± 5 | 80 ± 5 | 80 ± 5 | 31 ± 1 | 31 ± 1 | 31 ± 1 |
| KL (L·mg–1) | 0.26 ± 0.02 | 0.019 ± 0.003 | 0.0013 ± 0.0001 | 1.2 ± 0.1 | 0.052 ± 0.005 | 0.0074 ± 0.0006 |
As it is indicated, the slope reduces approximately by a factor of 10.