Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Apigenin Derivatives of Paulownia coreana Uyeki Leaves

  • Si, Chuan-Ling (College of Forest Sciences, Kangwon National University) ;
  • Kim, Jin-Kyu (College of Forest Sciences, Kangwon National University) ;
  • Kwon, Dong-Joo (College of Forest Sciences, Kangwon National University) ;
  • Bae, Young-Soo (College of Forest Sciences, Kangwon National University)
  • Received : 2005.11.03
  • Accepted : 2005.12.14
  • Published : 2006.03.25
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Abstract

The leaves of Paulownia coreana Uyeki were extracted with acetone-$H_2O$ (7:3, v/v), concentrated under reduced pressure and fractionated successively with n-hexane, methylene chloride and ethyl acetate, leaving residual water soluble fraction. A portion of the resulting aqueous soluble powder was chromatographed on a Sephadex LH-20 column using aqueous methanol and ethanol-hexane as washing solvents. Three apigenin derivatives were isolated and identified as apigenin-7-O-${\beta}$-D-glucpyranoside, apigenin-7-O-${\beta}$-D-glucuronopyranoside and apigenin-7-O-[${\beta}$-D-glucuronopyranosyl($1{\rightarrow}2$)-O-${\beta}$-D-glucuronopyranoside] by spectroscopic methods including NMR and FAB-MS.

Keywords

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