Table 1.
Compound | Concentration /μM | Papp(×10−6 cm/s) | Efflux ratio | |
---|---|---|---|---|
PAB | PBA | PBA/PAB | ||
Paeoniflorin | 50 | 0.61 ± 0.09 | 1.28 ± 0.05 * | 2.10 |
Glycyrrhizic acid | 20 | 0.36 ± 0.04 | 0.83 ± 0.07 * | 2.31 |
Liquiritin | 50 | 0.73 ± 0.04 | 1.57 ± 0.05 * | 2.15 |
Data are expressed as mean ± SD (n = 3), * p < 0.05, PAB vs. PBA.