Browsing by Author "Kassaye Hanna"

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    Chemical Study of “Jimma Enchet”: Wood Sold in Medicinal Plant Markets
    (Addis Ababa Universty, 2014-10) Kassaye Hanna; Dagne Ermias (Professor)
    Column chromatographic fractionation of the EtOH extract of the wood of “Jimma Enchet” afforded two secoiridoids (ligstroside and oleuropein), one lignan (olivil 4-O-β-D-Glucoside), and two sugars (sucrose and mannitol). The structures of these compounds were established using physical (melting point) and spectroscopic data such as NMR (1D and 2D), UV and IR. In addition some mixtures of aldehydes were also identified. Key Words: Jimma Enchet, secoiridoids, lignan, sugars, NMR.