Abstract
Many species of hibiscus are grown over the world. Roselle is an annual herbaceous shrub belonging to the family Malvaceae and is mostly grown in Sudan and other countries. Almost any part of the plant can be utilized, but it is cultivated mainly for its calyces. It is mainly grown for its fleshy calyx (sepals), which is the commercially valuable part of the plant. The color of the calyx plays an important role in determining the quality of karkade. It is used in food preparation in sauces, jams, juices, jellies, syrups, and flavoring; in wood industry; and as a coloring agent for food and drinks. The plant has some medicinal uses; anthocyanins present in roselle can contribute to health benefits as a good source of antioxidants and can also be used as a natural food color. It is in great demand in the world market and is expected to reduce the demand of chemical for industries. This chapter covers the production of roselle and its uses.
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