| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Ergot Alkaloids | 100 | + | |
| 2 | Opiate Alkaloids | 65 | + | |
| 3 | Indole Alkaloids | 43 | + | |
| 4 | Tropanes | 41 | + | |
| 5 | Xanthines | 36 | + | |
| 6 | Colchicine | 29 | + | |
| 7 | Solanaceous Alkaloids | 28 | + | |
| 8 | Cinchona Alkaloids | 25 | + | |
| 9 | Benzylisoquinolines | 18 | + | |
| 10 | Pilocarpine | 12 | + | |
| 11 | Amaryllidaceae Alkaloids | 4 | + | |
| 12 | 1-Deoxynojirimycin | 3 | + | |
| 13 | Harringtonines | 2 | + | |
| 14 | Camptothecin | 2 | + |