It is one of the oldest spices in the world and has been used for around 7000 years. coriander seed is used in curry-based dishes, several ethnic dishes, soups, pickled vegetables, cooked vegetables, bread and stews. All parts of coriander are edible, although they vary in taste. Coriander seeds have an earthy flavour which is enhanced once brought under warmth. Consuming Coriander can have multiple benefits for the entire body. From lowering sugar levels to boosting immunity, from hair rejuvenation to skin cleansing.