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Dietary fiber content and associated antioxidant compounds in Roselle flower (Hibiscus sabdariffa L.) beverage

AuthorsSáyago-Ayerdi, S. G.; Arranz, Sara; Serrano, José; Goñi, Isabel
Issue Date2007
PublisherAmerican Chemical Society
CitationJournal of Agricultural and Food Chemistry 55: 7886- 7890 (2007)
AbstractThe beverage of Hibiscus sabdariffa flowers is widely consumed in Mexico. Polyphenols contained in plant foods are frequently associated with dietary fiber. The aim of this work is to quantify the dietary fiber, associated polyphenols, and antioxidant capacity of the Roselle flower and the beverage traditionally prepared from it and its contribution to the Mexican diet. Roselle flower contained dietary fiber as the largest component (33.9%) and was rich in phenolic compounds (6.13%). Soluble dietary fiber was 0.66 g/L in beverage, and 66% of total extractable polyphenols contained in Roselle flower passed to the beverage and showed an antioxidant capacity of 335 μmoL trolox equivalents/100 mL beverage measured by ABTS. These data suggest that Roselle flower beverage intake in the Mexican diet may contribute around 166 and 165 mg/per serving to the intake of dietary fiber and polyphenols, respectively. The health benefits from consumption of Hibiscus beverage could be of considerable benefit to the whole population. © 2007 American Chemical Society.
Identifiersdoi: 10.1021/jf070485b
issn: 0021-8561
Appears in Collections:(IF) Artículos
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