| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Opiate Alkaloids | 100 | + | |
| 2 | Xanthines | 57 | + | |
| 3 | Solanaceous Alkaloids | 47 | + | |
| 4 | Benzylisoquinolines | 45 | + | |
| 5 | Indole Alkaloids | 40 | + | |
| 6 | Veratrum Alkaloids | 16 | + | |
| 7 | Ergot Alkaloids | 15 | + | |
| 8 | Colchicine | 11 | + | |
| 9 | Tropanes | 11 | + | |
| 10 | Pyrrolizidine Alkaloids | 9 | + | |
| 11 | Benzophenanthridines | 8 | + | |
| 12 | Pilocarpine | 5 | + | |
| 13 | Ryanodine | 4 | + | |
| 14 | Aconitine | 2 | + | |
| 15 | Amaryllidaceae Alkaloids | 2 | + | |
| 16 | Cinchona Alkaloids | 1 | + |