‘एका यवानी शतमन्न पाचिका|’ – There is no exaggeration in this saying. Trachyspermum copticum alone is capable to digest thousand and one type of food combinations. Mainly cultivated in Madhya Pradesh, Andhra Pradesh, Gujarat, Maharashtra, Uttar Pradesh, Rajasthan and Bihar. Fruits—carminative, antispasmodic, anticholerin, antidiarrhoeal, bechic, stimulant.

• Dried fruits – tympanitis, constipation, colic and helminthiasis.
• Oil – used as an expectorant in emphysema, bronchial and other respiratory ailments.
• Used externally in cases of rheumatism.
• Leaf juice—anthelmintic.
• Root—carminative, diuretic, febrifuge.
• The aqueous extract of the fruit is a popular remedy for diarrhea

The principal constituents of the Ajowan oil are the phenols, mainly thymol (35-60%) and some carvacrol. (Crystalized thymol is known in the trade as Ajowan-kaa-phuul, Flower of- Ajowan.)

Thymol is a powerful antiseptic and antifungal. It is an ingredient in deodorant mouth-washes, toothpastes and gargles. The aqueous portion, left after the separation of essential oil, is known as Omum-water and is prescribed in flatulence and gripe, especially in children.