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KMID : 0861020180330030055
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Korea Journal of Herbology
2018 Volume.33 No. 3 p.55 ~ p.61
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Comparison of Anti-inflammatory effects between Artemisia capillaris and Artemisia iwayomogi by extraction solvents
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Noh Dong-Jin
Choi Jin-Gyu
Hong Soon-Sun
Oh Myung-Sook
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Abstract
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Objectives : Artemisia capillaris Thunberg (AC) and Artemisia iwayomogi Kitamura (AI) have been used without distinguishment since ancient times due to similar appearance. In this study, we compared the inhibitory effects of AC and AI on the expression of inflammatory cytokines induced by lipopolysaccharide (LPS) in murine macrophages.
Methods : AC and AI were extracted by reflux with distilled water (DW) and 70% ethanol (EtOH). We investigated the inhibitory effects of AC and AI on the expression of nitric oxide (NO), inducible NO synthase (iNOS) and tumor necrosis factor-α (TNF-α) induced by LPS in macrophages.
Results : Firstly, yield of the samples was higher in order of Artemisia iwayomogi DW Extract (AID), Artemisia iwayomogi 70% EtOH Extract (AIE), Artemisia capillaris DW Extract (ACD) and Artemisia capillaris 70% EtOH Extract (ACE). All of the samples were not toxic in macrophages. The inhibitory effect of the samples on LPS-induced NO expression was stronger in the order of AIE, ACE, AID and ACD. The inhibitory effect of the samples on LPS-induced inducible iNOS expression was stronger in the order of AIE, ACE and AID. Effect of ACD was same with that of AID. In addition, inhibitory effect of the samples on LPS induced TNF-α expression wes stronger in the order of AIE, ACE, AID and ACD.
Conclusion: These results showed that AI would be more effective than AC and 70% EtOH would be more effective than DW as an extraction solvent in inflammatory diseases.
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KEYWORD
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Artemisia capillaris, Artemisia iwayomogi, inflammation, nitric oxide, inducible nitric oxide synthase, tumor necrosis factor-α
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