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KMID : 0363320020230010057
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Journal of Korean Oriental Internal Medicine
2002 Volume.23 No. 1 p.57 ~ p.64
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The Anti-Oxidative Effects of Oldenlandiae Diffusae Herba Extract on Oxidative Hepatic Injury
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An Joong-Hwan
Kim Hyeong-Hwan
Lee Chae-Jung
Park Chul-Soo
Kim Mi-Rang
Kim Jong-Dae
Moon Jin-Young
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Abstract
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Objective : This study was designed to investigate the anti-oxidative effects of Oldenlandiae Diffusae Herba Water extract (ODHW) on lipid peroxidation by free radicals oxidative hepatic injury.
Methods : In order to evaluate anti-oxidative activities of ODHW in the liver cell, cultured normal rat liver cells(Ac2F) were incubated with or without ODHW. After 16 hours to 18 hours of experiment, cells were placed in DMEM medium without serum, and then incubated with 1mM tert-butyl hydro-peroxide(t-BHP) for two hours. Viable cells were detected by MTT assay. The levels of LPO induced by hydroxyl radical derived from H2O2-Fe2+ system in rat liver homogenate were determined by means of TBA. Inhibitory effect of ODHW on superoxide generation was measured by xanthine-xanthine oxidase system.
Results : In the linoleic acid autoxidation system, ODHW exhibited antioxidant activity, which inhibited 85% of linoleic acid peroxidation. These effects were similar to those of dl-a-tocopherol. ODHW showed scavenging effects on DPPH radical, inhibited superoxide generation in xanthine-xanthine oxidase system, and also inhibited lipid peroxidation of rat liver tissue with hydroxyl radical derived from H_2O_2-Fe{2+} system. In addition, ODHW protected the cell death induced by t-BHP and it significantly increased cell viability in a normal rat liver cell(Ac2F)
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KEYWORD
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Oldenlandiae diffusae herba water extract (ODHW), anti-oxidative effects
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