• Title/Summary/Keyword: screening of herbal medicines

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Antioxidant Activity and Inhibitory Effect of Aster scaber Thunb. Extract on Adipocyte Differentiation in 3T3-L1 Cells (참취(Aster scaber Thunb.) 추출물의 항산화 효과와 3T3-L1 지방전구세포에서의 지방분화 억제 효과)

  • Choi, Jun-Hyeok;Park, Yun-Hee;Lee, In-Seon;Lee, Sam-Pin;Yu, Mi-Hee
    • Korean Journal of Food Science and Technology
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    • v.45 no.3
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    • pp.356-363
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    • 2013
  • Clinical and preclinical trials of involving drugs with anti-obesity effects have focused on screening for herbal medicines suspected to have anti-obesity activities. In this study, an extract of Aster scaver Thunb., which was prepared in 80% methanol (ASE), was assessed for its total phenol content, total flavonoid content, antioxidant activity ability to scavenge the ${\alpha}-{\alpha}$-diphenyl-${\beta}$-picrylhydrazyl, 2,2'-azino-bis-[3-ethylbenzthiazoline]-6-sulfonic acid radical, and anti-adipogenic effects. The anti-adipogenic effect of ASE on the differentiation of 3T3-L1 pre-adipocytes to adipocytes was investigated by assaying the suppression of adipocyte differentiation and lipid accumulation by using western blot analysis and the Oil Red-O assay, respectively. The staining results showed that ASE significantly inhibited 3T3-L1. Western blot analysis results showed that ASE decreased the levels of peroxisome proliferator-activated receptor-${\gamma}$, CCAAT/enhancer-binding protein ${\alpha}$, and sterol regulatory element-binding protein 1c. These results demonstrate that ASE directly inhibits the differentiation of preadipocytes, and might be an important adjunct in the therapeutic efforts to reduce adipogenesis.