KHELLA
| Botanical Name | Ammi visnaga |
| Botanical family | Apiaceae (Umbelliferae) |
| Origin | Morocco |
| Method | Complete distillation by steam distillation |
| Plant part | Seeds |
| Note | |
| Appearance | limpid, fluid and mobile liquid |
| Color | colorless |
| Odor | aromatic, green, acrid, with aniseed notes |
| Biochemical composition of the essential oil | Chromones: khelline Furocoumarins: marmesin Esters: bornyl acetate |
| Therapeutic properties | Antispasmodic through its vasodilator properties, similar to papaverin: coronary dil a bronchodilator, ureteral dilator ++++ Anticoagulant ++ |
| Main therapeutic indications | Coronary insufficiency, risk of myocardial infarction (emergency) +++ Atherosclerosis, hypercoagulability ++ Asthma (all kinds, both as prevention and during an episode) ++++ Biliary colic ++ Renal colic ++ Severe spasms in other locations ++ |