Na príomhchodanna depúdar sliocht roselle are anthocyanins, polyphenolic acids, organic acids and flavonoids. It also contains protein, pectin, vitamins, amino acids and minerals. The content of vitamin C ( {{0}}. 14 mg·g - 1 ) and iron ( 0. 57 mg · g - 1 ) in calyx is also high, which is the material basis of its anti-anemia effect. This suggests that roselle seeds may have important food and industrial uses.
According to the search "worldwide.espacenet.com" (European Patent Office website), using the keyword "hibiscus sabdariffa", a total of 3 valid patents were retrieved. The content involves food processing (45.9 percent ), new drug research and development, pharmaceutical technology (29.7 percent ), cosmetics (8.1 percent ), planting and cultivation, storage production (8.1 percent ), health care products (8.1 percent ) ) . Countries involved China (62.2 percent ), EU (13.5 percent ), Mexico (8.1 percent ), South Korea (5.4 percent ), Vietnam (2.7 percent ), Japan (2.7 percent ), The United States (2.7 percent ), the Philippines (2.7 percent ).
Hibiscus Sabdariffa has a long history of traditional application abroad. In Egypt, the local people gather fresh calyx to make a brewed drink called "Cacody tea". In countries such as Sudan and Nicaragua, roselle calyx is boiled with sugar to make "Karkade" or "Zoborodo". In Mexico the roselle drink is called "Jamaica". In addition to this, roselle has been widely used to make herbal teas, hot drinks, fermented beverages, red wine, chewing gum, jelly candies, ice cream, chocolate, etc. It is used as coloring and flavoring additives in the food industry.
Rpúdar sliocht oselletá éifeachtaí suntasacha aige ar bhuinneach, ag cosaint an ae agus na nduán, ag ísliú lipidí fola, etc., in éineacht lena stair iarratais fhada agus taifid úsáide sábháilte agus iontaofa, is gléasra míochaine é ar fiú taighde agus forbairt dhomhain a dhéanamh air. Agus tá margadh mór aige freisin.