”Hibiscus sabdariffa, or sour tea, is used in many parts of the world to make both cold and hot drinks. We might know it in English by the name Hibiscus or red sorrel. In Arabic it is called karkade, and in Iran, it is mainly known as sour tea. Sour tea, or Hibiscus, contains many constituents including , L-ascorbic acid, anthocyanin, beta-carotene, citric acid, pectin, quercetin, stearic acid and wax. The medicinal parts of the plant include the flower, sepal, leaves, stems and seeds. The extracts of the sepal contain significant amounts of vitamin C, anthocyanins and polyphenols and the highest concentration of water-soluble antioxidants. Traditionally, it has been used in folk medicine for several health issues including high blood pressure, liver diseases, loss of appetite, circulation, and as a gentle laxative and diuretic.



