Antioxidant capacity of extracts from calyx fruits of roselle (Hibiscus sabdariffa L.)
نویسندگان
چکیده
منابع مشابه
Hibiscus sabdariffa L., roselle calyx, from ethnobotany to pharmacology.
Using MEDLINE and SCOPUS databases, a review of the literature from the pioneering study of 1991 until 2010 was performed on the effects on biological models of Hibiscus sabdariffa L. roselle calyx, its extracts mainly in polar solvents, or pure components found in extracts, as well as their possible relationship to these effects. Three relevant effects on lipid metabolism, antihypertensive act...
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The aim of this study was to investigate the effect of in-vitro pepsin and pancreatin digestion of proteins extracted from Roselle seed on the production of bioactive peptides. Defatted Roselle seed flour was used to extract different protein fractions namely globulin, albumin and glutelin. The proteins were digested using pepsin (1 h) followed by pancreatin (1 h) in order to produce hydrolysat...
متن کاملHistological effects of roselle (Hibiscus sabdariffa L.) calyx in diets of albino rats
Roselle (Hibiscus sabdariffa) calyx was fermented traditionally and by controlled method with pure strains of Aspergillus flavus and Saccharomyces cerevisiae isolated from the fermentation. The proximate composition revealed that the sample fermented traditionally had the highest protein content of 14.7±2.5%. There was a significant decrease (Pd≤0.05) in the antinutrient content (phytate and ta...
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Consumers are demanding novel beverages that are healthier, convenient and have appealing consumer acceptance. The objectives of this study were to investigate the effects of adding grape polyphenols and the influence of presenting health claims on the sensory acceptability of wines. Fresh red sorrel calyces were fermented into wines. The total soluble solids of the pectinase-treated sorrel pur...
متن کاملDietary fiber content and associated antioxidant compounds in Roselle flower (Hibiscus sabdariffa L.) beverage.
The 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...
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ژورنال
عنوان ژورنال: African Journal of Biotechnology
سال: 2012
ISSN: 1684-5315
DOI: 10.5897/ajb11.2227