Coriander is one of the oldest herbs and whole spices on record. Coriander seeds are tan-colour, ribbed, light weigth fruits with subtle flavor that is warm and spicy with a slight hint of citrus flavor. Coriander is number one gas buster and helps to simulate the appetite. Coriander seed can be used for making a medicinal tea to soothe an upset stomach, to treat in digestion and mild gastrointestinal upsets. It also helps the heart by lowering bad cholesterol and raising good cholesterol.