| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Solanaceous Alkaloids | 100 | + | |
| 2 | Opiate Alkaloids | 81 | + | |
| 3 | Indole Alkaloids | 62 | + | |
| 4 | Xanthines | 53 | + | |
| 5 | Benzylisoquinolines | 32 | + | |
| 6 | Colchicine | 25 | + | |
| 7 | Tropanes | 15 | + | |
| 8 | Benzophenanthridines | 14 | + | |
| 9 | Ergot Alkaloids | 11 | + | |
| 10 | Veratrum Alkaloids | 10 | + | |
| 11 | Betalains | 9 | + | |
| 12 | Pilocarpine | 8 | + | |
| 13 | Cinchona Alkaloids | 3 | + | |
| 14 | Camptothecin | 3 | + |