FORMULASI PELEMBAB BIBIR ALAMI DARI SARI BUAH JERUK KALAMANSI (Citrofortunella microcarpa) DAN EKSTRAK BUNGA ROSELLA (Hibiscus sabdariffa)

Antimicrobial Activity of Hibiscus Sabdariffa (flowers)

Crystal structures of hibiscus acid and hibiscus acid dimethyl ester isolated from Hibiscus sabdariffa (Malvaceae)

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...

Toxic Effects of Hibiscus Sabdariffa Calyx

The effects of a 90-day oral administration of water and alcohol extracts of dried calyx of Hibiscus sabdariffa were evaluated in albino rats. Haematological, biochemical and histopathological changes were monitored every 30 days. The death of the animals was preceded by a severe loss in weight, accompanied with diarrhoea in animals on the 2000 mg/kg dose. There was an increase in food intake (...

Nitrite Content of Some Foods in Malaysia

Nitrat and nitrit adalah bahan tambah yang biasa digunakan dalam pengkiuran daging. Bahan-bahan ini juga memberi warna dan perisa yang baik dan dapat merencat penumbuhan mikroorganisma Clostridium botulinum. Nitrit boleh bertindak dengan amina sekunder dan membentuk sebatian nitrosamina. Nitrosamina inilah yang menjadi satu kontroversi berhubung dengan penggunaan nitrit kerana nitrosamine ini m...

Hibiscus sabdariffa L. - a phytochemical and pharmacological review.

Hibiscus sabdariffa L. (Hs, roselle; Malvaceae) has been used traditionally as a food, in herbal drinks, in hot and cold beverages, as a flavouring agent in the food industry and as a herbal medicine. In vitro and in vivo studies as well as some clinical trials provide some evidence mostly for phytochemically poorly characterised Hs extracts. Extracts showed antibacterial, anti-oxidant, nephro-...