Journal of Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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Ginsenosides from the fruits of Panax ginseng and their cytotoxic effects on human cancer cell lines

인삼(Panax ginseng) 열매로부터 분리한 ginsenoside의 동정 및 암세포독성 효과

  • Gwag, Jung Eun (Graduate School of Biotechnology and Department of Oriental Medicine Biotechnology, Kyung Hee University) ;
  • Lee, Yeong-Geun (Graduate School of Biotechnology and Department of Oriental Medicine Biotechnology, Kyung Hee University) ;
  • Hwang-Bo, Jeon (Graduate School of Biotechnology and Department of Oriental Medicine Biotechnology, Kyung Hee University) ;
  • Kim, Hyoung-Geun (Graduate School of Biotechnology and Department of Oriental Medicine Biotechnology, Kyung Hee University) ;
  • Oh, Seon Min (Graduate School of Biotechnology and Department of Oriental Medicine Biotechnology, Kyung Hee University) ;
  • Lee, Dae Young (Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA) ;
  • Baek, Nam-In (Graduate School of Biotechnology and Department of Oriental Medicine Biotechnology, Kyung Hee University)
  • Received : 2018.10.02
  • Accepted : 2018.11.02
  • Published : 2018.12.31
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Abstract

The fruits of Panax ginseng were extracted with 80% aqueous MeOH and the concentrates were partitioned into EtOAc, n-BuOH, and $H_2O$ fractions. The repeated $SiO_2$ and octadecyl $SiO_2$ column chromatographies for the EtOAc fraction led to isolation of five ginsenosides. The chemical structures of these compounds were determined as ginsenoside F1 (1), ginsenoside F2 (2), ginsenoside F3 (3), ginsenoside Ia (4), notoginsenoside Fe (5) based on spectroscopic analyses including nuclear magnetic resonance, MS, and infrared. Compounds 2-5 were isolated for the first time from the fruits of P. ginseng in this study. All isolated compounds were evaluated for cytotoxic activities against human cancer cell lines such as HCT-116, SK-OV-3, human cervix adenocarcinoma (HeLa), HepG2, and SK-MEL-5. Among them compounds 2, 4, and 5 showed significant cytotoxicity on cancer cells. Compound 2 exhibited cytotoxicity on SK-MEL-5, HepG2, and HeLa cells with $IC_{50}$ values of 82.8, 86.8, and $78.3{\mu}M$, respectively. Compound 4 showed cytotoxicity on HCT-116, SK-MEL-5, SK-OV-3, HepG2, and HeLa cells with $IC_{50}$ values of 24.5, 25.4, 26.3, 22.0, and $24.9{\mu}M$, respectively. Compound 5 did on SK-MEL-5 cell with $IC_{50}$ value of $81.7{\mu}M$. The cytotoxicity of ginsenoside 2, 4, and 5 isolated from the fruits of Panax ginseng showed strong inhibition effect against on cancer cells, all of which have a glucopyranosyl moiety on C-3.

인삼(Panax. ginseng) 열매를 80% MeOH 수용액으로 3회 반복 추출한 뒤, 감압 농축한 추출물을 EtOAc, n-BuOH과 $H_2O$ 층으로 계통 분획을 실시하였다. EtOAc분획에 대하여 $SiO_2$ 및 ODS column chromatography를 반복실시하여 5종의 ginsenoside 화합물을 분리 및 정제하였다. NMR, IR, FAB/MS 데이터를 해석하여, 각각 ginsenoside F1 (1), ginsenoside F2 (2), ginsenpside F3 (3), ginsenoside Ia (4) 및 notoginsenoside Fe (5)로 구조 동정 하였다. 화합물 2-5는 인삼열매에서는 이번에 처음 분리 보고되었다. 분리한 5종의 화합물을 인체 암세포주(HCT-116, SK-OV-3, HeLa, HepG2, SK-MEL-5)에 처리하여 세포독성을 측정하였다. 이 중 화합물 2, 4, 및 5가 인체 암세포주에 대해 세포독성을 저해시키는 것을 알 수 있었다. 화합물 2는 SK-MEL-5, HepG2, HeLa세포에서 $IC_{50}$값이 82.8, 86.8, $78.3{\mu}M$로 확인되었다. 화합물 4는 HCT-116, SK-MEL-5, SK-OV-3, HepG2, HeLa 세포에서 $IC_{50}$ 값이 24.5, 25.4, 26.3, 22.0, $24.9{\mu}M$로 확인되었다. 화합물 5는 SK-MEL-5 세포에서 $IC_{50}$ 값이 $81.7{\mu}M$로 확인되었다. 인삼 열매에서 분리한 화합물2, 4, 및 5가 암세포주에 대해 강한 세포독성을 나타내는 것을 확인하였으며, 이 화합물들은 공통적으로 3번 수산기에 glucopyranose를 가지고 있음을 확인하였다.

Keywords

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