Dried Coriander Leaves and Stalks Coriander is rich in nutrition, including vitamin C, carotene, vitamins B1 and B2. At the same time, it is also rich in minerals, such as calcium, iron, phosphorus and magnesium. Coriander also contains potassium malate. Dried coriander can milled into powder. Click links to check other Vegetables Powder, Fruit Powder, Spices And Herbs.