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KMID : 1123920090230040872
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Korean Journal of Oriental Physiology and Pathology
2009 Volume.23 No. 4 p.872 ~ p.882
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Antioxidative Properties of Sachil-Tang Extract
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Yi Hyo-Seung
Moon Jin-Young
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Abstract
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Sachil-Tang (SCT) has been traditionally used as a prescription of spasm of the esophagus by stress, pectoralgia and oppressive feeling of the chest in Oriental medicine. This study was carried out to investigate the antioxidant activities of the ethanol extract of SCT and its inhibitory effect on intracellular oxidation and vascular cell adhesion molecule-1 expression in human umbilical vein endothelial cells (HUVECs) using various methods. The SCT extract showed a strong inhibitory effect on free radical generating model systems, including DPPH radical, superoxide anions, hydroxyl radical, peroxynirite and nitric oxide. Besides, the SCT extract exhibited a strong inhibitory effect on lipid peroxidation in rat liver homogenate induced by -ascorbic acid, and protected plasmid DNA against the strand breakage in a Fenton’s reaction system. The SCT extract also inhibited copper-mediated oxidation of human low-density lipoprotein (LDL), and repressed relative electrophoretic mobility of LDL. Furthermore, the SCT extract protected intracellular oxidation induced by various free radical generators and inhibited expression of vascular cell adhesion molecule-1 (VCAM-1) in HUVECs. These results suggest that SCT can be an effective natural antioxidant and a possible medicine of atherosclerosis.
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KEYWORD
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Sachil-Tang, antioxidant, human low-density lipoprotein, intracellular oxidation, human umbilical vein endothelial cells
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