Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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Flavone Glycosides from the Aerial Parts of Lespedeza cuneata G. Don

비수리 지상부로부터 분리한 Flavone glycosides

  • Kwon, Dong-Joo (Department Wood Sciences & Engineering, College of Forest & Environmental Science, Kangwon National University) ;
  • Kim, Jin-Kyu (Department Wood Sciences & Engineering, College of Forest & Environmental Science, Kangwon National University) ;
  • Ham, Yeon-Ho (Forest Research Institute, Gangwon Province) ;
  • Bae, Young-Soo (Department Wood Sciences & Engineering, College of Forest & Environmental Science, Kangwon National University)
  • 권동주 (강원대학교 산림환경과학대학 임산공학과) ;
  • 김진규 (강원대학교 산림환경과학대학 임산공학과) ;
  • 함연호 (강원도 산림개발연구원) ;
  • 배영수 (강원대학교 산림환경과학대학 임산공학과)
  • Published : 2007.12.31
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Abstract

The aerial parts of Lespedeza cuneata were collected, air-dried and extracted with 95% aqueous EtOH. Then it was successively partitioned with n-hexane, $CH_2Cl_2$, EtOAc and $H_2O$. Repeated Sephadex LH-20 column chromatography on the EtOAc- and $H_2O-soluble$ fractions gave four compounds. Their structures were elucidated as quercetin (1), kaempferol (2), desmodin (3) and homoadonivernith (4) on the basis of spectroscopic evidences such as $^{1}H-NMR$, $^{13}C-NMR$, 2D-NMR and MS spectrum. Desmodin (3) and homoadonivernith (4) have not been reported from this plant so far.

비수리 지상부를 95% EtOH 용액으로 추출하고, 추출물을 n-hexane, $CH_2Cl_2$, EtOAc 및 $H_2O$로 용매 분획하였다. 이 중 EtOAc와 $H_2O$ 분획을 대상으로 Sephadex LH-20 column chromatography를 실시하여 4개의 화합물을 분리하였다. 화합물의 구조는 $^{1}H-NMR$, $^{13}C-NMR$, 2D-NMR 및 MS spectrum을 분석하여, quercetin (1), kaempferol (2), desmodin (3) 및 homoadonivernith (4)로 동정하였으며, 그 중 desmodin (3)과 homoadonivernith (4)는 비수리에서 처음으로 분리되었다.

Keywords

References

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