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Radioligand binding activity of P. amarus extract and its compounds.
| Ligands | Radioassay (Ki) (nM) |
|---|---|
| Doxepin (positive control) | - |
| Chlorpheniramine (positive control) | 0.1447 |
| P. amarus | 104.2 ng/mL |
| Phyllanthin (1) | 129.1 |
| Hypophyllanthin (2) | 0.04 |
| Niranthin (3) | 0.4436 |
| Corilagin (4) | Not converged |
