Oxidative stress and inflammation are related to several chronic diseases including cancer and atherosclerosis. Hibiscus sabdariffa Linnaeus has been found to possess antioxidant effects. In this study, polyphenols extracted from Hibiscus sabdariffa L. (HPE) were used to detect anti-inflammatory effects on nitrite and prostaglandin E(2) (PGE(2)) in lipopolysaccharide (LPS) treated RAW264.7 cell...

SHIMAMURA, R., N. KACHI (Department of Biological Sciences, Graduate School of Sciences, Tokyo Metropolitan University, Hachioji 192-0397, Japan), H. KUDOH (Department of Biology, Faculty of Science, Kobe University, Kobe 657-8501, Japan), AND D. F. WHIGHAM (Smithsonian Environmental Research Center, Edgewater, MD 21037). Visitation of a specialist pollen feeder Althaeus hibisci Olivier (Coleop...

The biologically active title compounds have been isolated from Hibiscus sabdariffa plants, hibiscus acid as a dimethyl sulfoxide monosolvate [systematic name: (2S,3R)-3-hy-droxy-5-oxo-2,3,4,5-tetra-hydro-furan-2,3-di-carb-oxy-lic acid dimethyl sulfoxide monosolvate], C6H6O7·C2H6OS, (I), and hibiscus acid dimethyl ester [systematic name: dimethyl (2S,3R)-3-hy-droxy-5-oxo-2,3,4,5-tetra-hydro-fur...

a field experiment was conducted to assess the optimum inter- and intra-row spacing on growth, yield and yield component of roselle (hibiscus sabdariffa l.) in 2014/15 cropping season at wondo genet agricultural research center experimental site (at wondo genet station). two inter-row spacing (60 and 90 cm) and three intra-row spacing (30, 60 and 90 cm) were evaluated using two varieties, wg-hi...

A field experiment was conducted to assess the optimum inter- and intra-row spacing on growth, yield and yield component of Roselle (Hibiscus sabdariffa L.) in 2014/15 cropping season at Wondo Genet Agricultural Research Center experimental site (at Wondo Genet station). Two inter-row spacing (60 and 90 cm) and three intra-row spacing (30, 60 and 90 cm) were evaluated using two varieties, WG-Hi...

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...