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KMID : 0380620160480020172
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Korean Journal of Food Science and Technology
2016 Volume.48 No. 2 p.172 ~ p.177
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Cirsium japonicum Extracts Show Antioxidant Activity and PC12 Cell Protection against Oxidative Stress
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Jang Mi-Ran
Kim Gun-Hee
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Abstract
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The phenolic compounds, antioxidant activity and neuronal cell protective effect of Cirsium japonicum extract were evaluated in this study. High performance liquid chromatography mass analysis showed that C. japonicum was composed of chlorogenic acid, linarin, and pectolinarin. C. japonicum extract showed its antioxidant activity with halfmaximal inhibitory concentrations of 567 and 130 μg/mL by DPPH and ABTS radical scavenging activity, respectively. The total antioxidant capacities of C. japonicum via DPPH, ABTS, and FRAP assays were 11.32, 100.15, and 12.76 μg/ mL trolox equivalents, respectively. In addition, the neuroprotective effect of C. japonicum extract was investigated by measuring cell viability via MTT, LDH and DCF-DA assay using H2O2-damaged PC12 cells. C. japonicum extract showed neuronal cell protective effects in a dose-dependent manner. These results indicated that C. japonicum extract has potent antioxidant and neuronal protective effects. Therefore, C. japonicum can be regarded as an effective and safe functional food resource as natural antioxidants, and may decrease the risk of neurodegenerative disorders.
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KEYWORD
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Cirsium japonicum, antioxidant activity, oxidative damage, PC12 cell, neuronal protective effect
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