| Drug | Relative change in current at +10 mV | Significance p |
| Ilex pubescens extract (40 mg/L) | 0.83 ± 0.04 (N = 5) | 0.01 |
| Gossampinusmalabrica extract (40 mg/L) | 0.74 ± 0.05 (N = 4) | 0.007 |
| Acorustatarinowii extract (40 mg/L) | 1.15 ± 0.01 (N = 8) | <0.001 |
| α-asarone (~40 mg/L ≈ 200 μM) | 0.90 ± 0.03 (N = 4) | 0.04 |
| Glycyrrhic acid (GA) (~40 mg/L ≈ 85 µM) | 0.39 ± 0.13 (N = 5) | 0.04 |