Ajwain
A tiny ridged seed that smells overwhelmingly of thyme and tastes far more aggressive than it looks. Omam water is a South Indian household preparation, and the seed’s thymol content is what makes it read as a herb rather than a spice.
Identity
- Botanical name
- Trachyspermum ammi
- Family
- Apiaceae
- Part used
- Seed
- Origin
- The eastern Mediterranean by origin; grown almost entirely in India
- Drunk in
- Rajasthan, Gujarat, Tamil Nadu, Iran
Character
Sharply thyme-like with a bitter, almost numbing edge. A pinch is a large quantity and it dominates anything it is put with.
Notes: thyme, oregano, pepper
History
Long grown across the Indian subcontinent and used far more heavily in the north and west than elsewhere. It has never established in European cooking despite being an Apiaceae relative of everything Europe does use.
How it is drunk
Steeped as omam water in Tamil households, chewed after meals across India, and fried into parathas and savoury doughs. It is a kitchen and household material rather than a café one.
Production
Threshed from the seed heads and sold whole, since the seed is small enough that grinding is rarely necessary. The aroma is strong enough that a sealed jar scents a cupboard.
Preparation
Decoction · Infusion
Boiling and decoction
1–3 g/100 ml · 98–100 °C · 5 min
What gets confused
Sold as 'carom seed' and confused with celery seed, which looks similar and tastes completely different. Neither is lovage, which is another Apiaceae in the same shelf-space.
Common mistakes
- Measuring by the spoon. Ajwain is a pinch-scale seed and a teaspoon is undrinkable.
Related botanicals
- Thyme — Both dominated by thymol, and ajwain tastes far more like the herb than like the seed it is.
Comparisons
- Ajwain vs thyme — A seed and a leaf that share a dominant compound and therefore an aroma. Ajwain smells so strongly of thyme that people assume it is one, and it is a carrot-family seed.
- Cumin vs ajwain — Two Apiaceae seeds from the same Indian kitchen with completely different aromas, and one of them is four times stronger than anyone expects.
- Thyme vs ajwain — A Mediterranean leaf and an Indian seed that share a dominant compound and therefore an aroma, differing by roughly a factor of four in strength.
Evidence for this page
This page is TeaHQ synthesis throughout. No external source stands behind any statement on it, including the botanical name. Twenty of the 150 botanicals have had their names and distribution checked against a taxonomic authority and this is not one of them.
Brewing parameters here are typical practice for the category rather than measurements of this plant, and each set says so.
This page makes no safety claim. It describes what Ajwain is, where it comes from and how it is prepared — not what it does to a person. The absence of a safety note here is not a statement that the plant is safe. How TeaHQ handles this.