Antioxidant Activities of Dianthus chinensis L. Extract and Its Inhibitory Activities against Nitric Oxide Production and Cancer Cell Growth and Adhesion
2016
Lee, J., Chungbuk National University, Cheongju, Repubilc of Korea | Seo, Y., Chungbuk National University, Cheongju, Repubilc of Korea | Lee, J., Chungbuk National University, Cheongju, Repubilc of Korea | Ju, J., Chungbuk National University, Cheongju, Repubilc of Korea
The aim of the study was to investigate the antioxidant content and activities of ethanol extract of the edible flower Dianthus chinensis L. (DCE) as well as its inhibitory activities against nitric oxide (NO) production in macrophages and growth and adhesion of human cancer cells. The total polyphenol, flavonoid, and carotenoid levels of DCE were 19.0 mg gallic acid equivalent/g, 65.7 mg quercetin equivalent/g, and 95.0 μg/g, respectively. The 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity and ferric reducing antioxidant power of DCE at a concentration of 1,000 μg/mL were 44% and 51%, respectively. In lipopolysaccharide-treated RAW 264.7 macrophages, treatment with DCE at concentrations of 500 and 1,000 μg/mL resulted in significantly reduced NO levels (to 7∼23% of the control). In H1299 human lung carcinoma cells and HCT116 human colorectal carcinoma cells, treatment with DCE at concentrations of 250, 500, and 1,000 μg/mL resulted in dose-dependent growth inhibition. DCE was also effective in inhibiting adhesion of both H1299 cells (to 55% of the control at concentration of 1,000 μg/mL) and HCT116 (to 26∼40% of the control at concentrations of 250, 500, and 1,000 μg/mL). These results suggest that DCE exerts antioxidant, anti-inflammatory, and anti-cancer activities in vitro.
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