| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Ergot Alkaloids | 100 | + | |
| 2 | Indole Alkaloids | 92 | + | |
| 3 | Xanthines | 60 | + | |
| 4 | Colchicine | 46 | + | |
| 5 | Opiate Alkaloids | 40 | + | |
| 6 | Tropanes | 37 | + | |
| 7 | Benzylisoquinolines | 30 | + | |
| 8 | Solanaceous Alkaloids | 29 | + | |
| 9 | Cinchona Alkaloids | 19 | + | |
| 10 | Veratrum Alkaloids | 8 | + | |
| 11 | Harringtonines | 5 | + | |
| 12 | Camptothecin | 3 | + | |
| 13 | Amaryllidaceae Alkaloids | 3 | + | |
| 14 | Benzophenanthridines | 3 | + | |
| 15 | 1-Deoxynojirimycin | 2 | + | |
| 16 | Pilocarpine | 2 | + | |
| 17 | Arecoline | 1 | + | |
| 18 | Aconitine | 1 | + |