Extracted from the crushed seeds by the method of hydrodistillation by using a clevenger-type apparatus. The main constituents of the ajwain oil are thymol, gamma-terpinene, p-cymene, and beta-pinene. Alpha-pinene, alpha-thujene, beta-myrcene, carvacrol, limonene, and terpinene-4-ol.

There are variations in the composition of ajwain oils depending upon the region where it is cultivated. For instance, ajwain oil collected from Southern India is rich in thymol.

The principal constituents which are responsible for typical flavour of ajwain seed essential oil are thymol and carvacrol.

Usages of Ajwain Oil

Kidney and Liver Disorders: Various Ayurvedic medicines have Ajwain as an important ingredient as it provides relief in kidney and liver ailments.

Skin Ailments: Ajwain can help with pimples and is effective for digestion which helps in having great skin.

Postnatal Care: New mothers are given ajwain boiled water for a week for strengthening and cleansing of the body post-delivery.

Digestive Aid: Ajwain oil is beneficial in curing acute digestive ailments such as cholera and diarrhea. One can treat indigestion, ulcers, and various other bacterial infections of the gut with ajwain seeds and essential oil.