Kashmiri Shahi Zeera may contain 3% to 7% essential oil. The aroma of the oil is mostly dominated by carvone (50 to 85%) and limonene (20 to 30%). The primary medical benefit of caraway is its effect on digestion. It is a carminative which means it helps with gas and digestion. It is helpful to chew caraway seeds after a heavy meal. It has been used for colic as it is a light sedative and it can be used to settle a queasy stomach.