The oil is extracted by steam distillation from the dried ripe fruit and seeds.
Chemical composition
The essential oil includes the following chemical compounds; a-pinene, camphene, b-pinene, linalool, cis-anethole, trans-anethole, safrole, anisaldehyde and acetoanisole.
Precautions
Aniseed oil is a very potent and the anethole contained in it can cause dermatitis in some individuals. It is best avoided in problem skin conditions. In large doses it can also slow down the circulation and can cause cerebral congestion.
It must be avoided during pregnancy.
Therapeutic properties
The therapeutic properties of aniseed oil are antiseptic, antispasmodic, carminative, diuretic, expectorant, stimulant, galactagogue, stomachic, insecticide, laxative and parasiticide.
Aniseed oil can be useful in the treatment of muscular aches and pains, rheumatism, bronchitis, whooping cough, colic, cramp, flatulence, indigestion, catarrh and hangovers.