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한국약용작물학회 한국약용작물학회지 한국약용작물학회지 제21권 제3호
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    초록·키워드

    The effect on the antioxidant activity and Nitric Oxide activity production inhibitory activity of Taraxacum has not been known. Therefore, phenolics and flavonoid contents were investigated from the ethanol extracts of five differ-ent Taraxacum species. The results showed that, among the five Taraxacum, T. hallaisanensis contains the highest total phe-nolic and flavonoid contents. When the antioxidant activity was measured by DPPH, ABTS and reducing power activity, the free radical scavenging activity of T. hallaisanensis was also the highest among five Taraxacum species. However, mea-surement by CCK-8 assay in Raw264.7 cells indicated that the extracts of Taraxacum species have no effect on cell viability. Moreover, we also investigated the effect of Taraxacum species on NO scavenging activity in lipopolysaccharide (LPS)-stim-ulated Raw264.7 cells. The results clearly showed that Taraxacum species inhibited NO production, and the inhibitory effect of T. hallaisanensis was the strongest. The above results suggested that Taraxacum species affected the antioxidant and NO scavenging activity, and among the five species, antioxidant and NO scavenging activity assay of T. hallaisanensis was signif-icantly higher than those of other four Taraxacum species. Therefore, T. hallaisanensis could be used as a potential drug with anti-oxidant and anti-inflammatory effect.

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      UCI(KEPA) : I410-ECN-0101-2019-480-000589041