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Isolation of Flavonoids from the Fruits of Cornus kousa Burg
Lee, Dae-Young,Lyu, Ha-Na,Kwak, Ho-Young,Jung, La-Koon,Lee, Youn-Hyung,Kim, Dae-Keun,Chung, In-Sik,Kim, Sung-Hoon,Baek, Nam-In The Korean Society for Applied Biological Chemistr 2007 Journal of Applied Biological Chemistry (J. Appl. Vol.50 No.3
Dried, unripe fruits of Cornus kousa Burg. were extracted with 80% aqueous MeOH and the concentrated extracts were partitioned between EtOAc and $H_2O$. From the EtOAc fraction, four flavonoids were isolated through repeated silica gel, ODS and Sephadex LH-20 column chromatographies followed by a preparative HPLC. Based on the spectroscopic data including NMR, MS and IR, the chemical structures of the compounds were determined as kaempferol (1), astragalin (2), hyperin (3) and isoquercitrin (4). These compounds were isolated for the first time from the fruits of this plant.
누룩(Rhizopus oryzae KSD-815)으로부터 분리한 지질화합물의 세포독성 및 항염증 활성
곽호영 ( Ho Young Kwak ),이상진 ( Sang Jin Lee ),이대영 ( Dae Young Lee ),배낙현 ( Nark Hyun Bae ),정낙훈 ( La Koon Jung ),홍성렬 ( Sung Youl Hong ),김계원 ( Gye Won Kim ),백남인 ( Nam In Baek ) 한국응용생명화학회 2008 Applied Biological Chemistry (Appl Biol Chem) Vol.51 No.2