Dhana dal, commonly served as a mouth freshener in India, is prepared by roasting coriander seeds with a pinch of salt. But this old Indian practice can do much more than just beat bad breath. Coriander seeds is anti-bacterial, anti-microbial and anti-inflammatory in nature, and hence, consuming dhana dal after meals can have many medicinal benefits..Dhana Dal is famous Indian mouth freshener consumed after meals and snacks. It has a nutty flavor that blends very well with other aromatic ingredients.