Journal of chromatography. A, 1074(1-2), 111-115 (2005-06-09)
High-speed counter-current chromatography (HSCCC) with a solvent system composed of ethyl acetate-n-butanol-water (2:1:3, v/v/v) was used to isolate and separate two C-glycosylflavones from Patrinia villosa Juss, a traditional Chinese medicine. The separation produced 42.9 mg isovitexin and 20.1 mg isoorientin
Journal of natural products, 73(12), 1973-1978 (2010-11-18)
Eight flavonoid C-glycosides, including three new analogues, have been isolated from leaf and root methanolic extracts of Petrorhagia velutina, a Mediterranean herbaceous plant. The antiproliferative activity against human hepatoblastoma cancer cell line HepG2 has been analyzed by the MTT (3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium
We aimed to find antiallergic agents from natural sources using mast cells activated during allergic reaction. We screened over 2000 plants for blockade of histamine release and identified two of them, S. baicalenesis and P. edulis. Bioassay-guided fractionation led to
Aloe tormentorii, A. purpurea and A. macra are used as multipurpose folk medicines in Réunion and Mauritius Islands and are mistaken for the introduced Aloe vera. To compare the phytochemical, antimicrobial and DNA profiles of Aloe endemic to Mauritius and
Isoorientin (ISO) is a plant C-glycosylflavonoid with purported antidiabetic effects but unexplored mechanisms of action. To gain insight into its antidiabetic mechanisms, we assayed nontoxic ISO concentrations on the 2-(N-(7-nitrobenz-2-oxa-1, 3-diazol-4-yl) amino)-2-deoxy-d-glucose (2-NBDG) uptake by murine 3T3-F442A and human sc
HPTLC fingerprinting enables rapid identification of passion flower with related reference materials.
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