Amaranth (Amaranthus) has a colourful history, is highly nutritious, and the plant itself is extremely attractive and useful. Amaranth was a staple in the diets of pre-Colombian Aztecs, who believed it had supernatural powers and incorporated it into their religious ceremonies. Amaranth was first introduced as an ornamental plant in Europe in the 16th century. Different species of amaranth spread throughout the world during 17th, 18th and 19th century. In India, China and under the harsh conditions of Himalayas this plant became important grain and/or vegetable crop.