For centuries, mustard oil has been used as an edible oil as well as cure for all kinds of ailments, and despite the occasional doubts that are generated by research concerning its side effects, its place in many households across India (the eastern and northern parts in particular) remains intact. In fact, research reinforcing its vitamin-laden, anti-bacterial and anti-oxidant properties has served to make it even more popular. Its distinctive and pungent taste lends itself rather well to most food.