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  1. No Access

    Article

    In vitro peroxynitrite scavenging activity of 6-hydroxykynurenic acid and other flavonoids fromGingko biloba yellow leaves

    As part of our research on phytochemicals that exert protective effects against diseases related to reactive nitrogen specie, we have evaluated the scavenging activity of the yellow leaves ofGinkgo biloba on ONOO

    Sook Kyung Hyun, Hyun Ah Jung, Hae Young Chung… in Archives of Pharmacal Research (2006)

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    Article

    Isorhamnetin glycosides with free radical and ONOO− scavenging activities from the stamens ofNelumbo nucifera

    In this study, we isolated two new isorhamnetin glycosides, designated as nelumboroside A (3) and nelumboroside B (4), as well as the previously-characterized isorhamnetin glucoside (1) and isorhamnetin rutinosid...

    Sook Kyung Hyun, Yu Jung Jung, Hae Young Chung… in Archives of Pharmacal Research (2006)

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    Article

    A phenolic glucoside isolated fromPrunus serrulata var.spontanea and its peroxynitrite scavenging activity

    A new phenolic glucoside (1), pursargentoside, was isolated from the leaves ofPrunus serrulata var.spontanea, along with three other known compounds, orobol 7-O-glucoside (2), 1β, 2α, 3α, 24-tetrahydroxy-urs-12-e...

    Hyun Ah Jung, Hae Young Chung, Sam Sik Kang… in Archives of Pharmacal Research (2005)

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    Article

    In Vitro Free Radical and ONOO- Scavengers from Sophora flavescens

    Activity-guided fractionation of the CH2CI2-soluble fraction of the roots of Sophora flavescens furnished five 1,1 -diphenyl-2-picrylhydrazyl (DPPH) free radical scavengers: trans-hexadecyl ferulic acid (1), cis-...

    Hee ** Jung, Sam Sik Kang, Sook Kyung Hyun, Jae Sue Choi in Archives of Pharmacal Research (2005)

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    Article

    Alaternin and emodin with hydroxyl radical inhibitory and/or scavenging activities and hepatoprotective activity on tacrine-induced cytotoxicity in HepG2 cells

    The antioxidative and hepatoprotective potentials of two anthraquinones, alaternin (2-hydroxy-emodin) and emodin, to scavenge and/or inhibit hydroxyl radicals generated by the Fenton reaction and to protect ta...

    Hyun Ah Jung, Hae Young Chung, Takako Yokozawa… in Archives of Pharmacal Research (2004)