Spicy. Cumin is an aromatic spice, yellow-brown, granular, rich in aroma, slightly salty in the mouth, with a strong aftertaste, a cool numbing sensation in the mouth, a long-lasting taste, rich in essential oils, and a strong aroma. It is considered to be the most popular spice after pepper. The second most important spice crop in the world, cumin also has a variety of medicinal properties and has received widespread attention from domestic and foreign scholars.