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Isolation of Flavonoids from Processed Aconiti Tuber

  • Lyu, Ha-Na (Graduate School of Biotechnology and Plant Metabolism Research Center, Kyung Hee University) ;
  • Kwak, Ho-Young (Graduate School of Biotechnology and Plant Metabolism Research Center, Kyung Hee University) ;
  • Lee, Dae-Young (Graduate School of Biotechnology and Plant Metabolism Research Center, Kyung Hee University) ;
  • Kim, Kyong-Tai (Department of Life Science, Division of Molecular and Life Science, Pohang University of Science and Technology) ;
  • Kim, Se-Young (Graduate School of Biotechnology and Plant Metabolism Research Center, Kyung Hee University) ;
  • Baek, Nam-In (Graduate School of Biotechnology and Plant Metabolism Research Center, Kyung Hee University)
  • Published : 2008.08.30

Abstract

A processed Aconiti tuber (Korean name, Kyeong-Po Buja) was extracted with 80% aqueous EtOH, and the concentrated extract was partitioned with EtOAc and water ($H_2O$). From the EtOAc fraction, two flavonoids were isolated through repeated silica gel column chromatographies. From the result of physico-chemical data including NMR, mass spectrometry and IR, the chemical structures of the compounds were determined to be liquiritin (1) and liquiritigenin (2). This is the first study to isolate flavonoids (1) and (2) from the processed Aconiti tuber.

Keywords

References

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