Ajwain is commonly known as carom or Bishop weeds. It contains essential oil, which is composed of several bioactive compounds, and therefore it has medicinal importance. Ajwain is available throughout the year. Ajwain shrub leaves are feathery. Ajwain seeds are the fruit of the shrub, which is small, oval-shaped, and pale yellow.

Ajwain seed looks like fennel and cumin. Ajwain has been used from ancient times in Indian, African, and Middle Eastern for cooking which also boosts the favor of dishes and acts as a preservative in chutneys, pickles, and jams. They contain a unique source of digestive fibers that helps in keeping good gut health.