Black mustard seeds are smaller in size and possess an earthy, far less bitter flavor. Mustard is a favorite seasoning ingredient for lot of Indian dishes. It has sharp and pungent aroma which adds unique flavor and stimulates the appetite. It is also a good anti-microbial agent and a good source of omega-3 fatty acids. Although brown in looks, refresh organic dark mustard seeds are stronger and have a gritty, far less harsh flavor. Black mustard has sharp and impressive fragrance which increases the craving for the dishes.