Abstract
Hibiscus sabdariffa is a plant with beautiful white to pale yellow flowers with a dark red spot at the base of each petal, and is grown for the production, and the used part is the dark red or light red sepals (calyx) that surround the flower. These calyces are either boiled or extracted as a sour-taste refreshment, rich in vitamin C. The hibiscus calyx contains glycosides, pigments, calcium, and other minerals. The hibiscus is dark red in color in the acid medium due to the presence of betacyanin. The plant sepals also contain organic acids such as malic, tartaric, citric, glycoside, and hepiscin chloride, some mucous materials, as well as a stable oil in the seeds. The dark red pigments are used in food and as hair dye beside numerous medicinal uses.
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