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Sterols from Lindera glauca Blume Stem Wood

  • Huh, Gyu-Won (The Graduate School of Biotechnology, Kyung Hee University) ;
  • Park, Ji-Hae (The Graduate School of Biotechnology, Kyung Hee University) ;
  • Shrestha, Sabina (The Graduate School of Biotechnology, Kyung Hee University) ;
  • Lee, Youn-Hyung (Department of Horticultural Biotechnology, Kyung Hee University) ;
  • Ahn, Eun-Mi (Department of Herbal Foodceutical Science, Daegu Haany University) ;
  • Kang, Hee-Cheol (GFC Co., Ltd.) ;
  • Baek, Nam-In (The Graduate School of Biotechnology, Kyung Hee University)
  • Received : 2011.08.02
  • Accepted : 2011.10.25
  • Published : 2011.12.31

Abstract

Chipped stem wood from Lindera glauca was extracted repeatedly with 80% aqueous methanol at room temperature, and the concentrated methanolic extract was successively partitioned with ethyl acetate (EtOAc), n-butyl alcohol, and $H_2O$. From the EtOAc fraction, four sterols were isolated through a repeated silica gel and octadecyl silica gel column chromatography. The chemical structures of the sterols were elucidated as ${\beta}$-sitosterol (1), 7-ketositosterol (2), 7${\beta}$-hydroxysitosterol (3), and daucosterol (4). Among them, compounds 2 and 3 were isolated for the first time from the stem woods of this plant.

Keywords

References

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