Coriander : Coriander/Cilantro is a tropical crop whose leaves and seeds are widely used for flavouring. Coriander seeds are used in raw, roasted, crushed or powdered/ground forms to give a unique flavour and aroma to various food preparations. Ground coriander is widely used for flavouring as well as thickening of gravies. India, Morocco, Russia, France, U.S.A and East-European countries are the major producers of coriander.