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Isolation and Identification of Lipids from the Fruits of Acanthopanax sessiliflorus

오가피(Acanthopanax sessiliflorus Seeman) 열매로부터 지질 화합물의 분리 및 동정

  • Kim, Su-Yeon (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University) ;
  • Lee, Dae-Young (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University) ;
  • Seo, Kyeong-Hwa (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University) ;
  • Rho, Young-Deok (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University) ;
  • Kim, Gye-Won (Brewing Research Center, Hankyung National University) ;
  • Cheoi, Dae-Sung (Jeongseon Agricultural Extension Center) ;
  • Baek, Nam-In (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University)
  • Received : 2012.03.28
  • Accepted : 2012.05.08
  • Published : 2012.06.30

Abstract

Acanthopanax sessiliflorus Seeman fruits (Araliaceae) were extracted at room temperature with 70% aqueous ethanol (EtOH). The concentrated extract was partitioned with ethyl acetate (EtOAc), n-butyl alcohol, and $H_2O$, successively. From the EtOAc fraction, four compounds were isolated through the repeated silica gel and octadecyl silica gel (ODS) column chromatographies. According to the results of physico-chemical and spectroscopic data including NMR, IR, and gas chromatography/mass spectrometer, the chemical structures of the compounds were determined as stigmasterol (1), linoleic acid (2), ${\beta}$-sitosterol (3), and stigmast-5-en-$3{\beta}$,$7{\beta}$-diol (4).

오가피(Acanthopanax sessiliflorus Seeman) 열매 10.0 kg을 실온에서 70% EtOH 수용액으로 추출하고 이 추출물을 ethyl acetate (EtOAC) 분획, n-butyl alcohol 분획, $H_2O$ 분획으로 나누었다. EtOAc 분획에 대하여 silica gel 및 octadecyl silica gel chromatography column chromatography를 반복 실시하여 4종의 화합물을 분리, 정제하였다. NMR, IR, EI/MS, 및 GC/MS 등을 통하여 화합물 1(stigmasterol), 화합물 2(linoleic acid), 화합물 3(${\beta}$-sitosterol), 화합물 4(stigmast-5-en-$3{\beta}$,$7{\beta}$-diol)의 구조를 결정하였다.

Keywords

References

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