Biomolecules & Therapeutics

The Korean Society of Applied Pharmacology (한국응용약물학회)
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Anxiolytic-like Effects of Panax ginseng on the Elevated Plus-maze Model in Mice

  • CHA Hwa-Young (College of Pharmacy, Chungbuk National University) ;
  • SEO Jeong-Ju (College of Pharmacy, Chungbuk National University) ;
  • PARK Jeong-Hill (College of Pharmacy, Seoul National University) ;
  • EUN Jae-Soon (College of Pharmacy, Woosuk University) ;
  • LEE Seung-Ho (College of Pharmacy, Chungbuk National University) ;
  • HWANG Bang-Yeon (College of Pharmacy, Chungbuk National University) ;
  • HONG Jin-Tae (College of Pharmacy, Chungbuk National University) ;
  • OH Ki-Wan (College of Pharmacy, Chungbuk National University)
  • Published : 2005.09.01
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Abstract

This study was performed to investigate the anxiolytic-like effects Panax ginseng in mice using the elevated plus-maze model. Furthermore, the anxiolytic-like effects of Panax ginseng were compared to a known active anxiolytic drug, diazepam. Ginseng total saponin (GTS, 100 mg/kg) from red ginseng (RG), sun ginseng (SG) total extract (50 mg/kg), butanol fraction of SG(25 and 50 mg/kg) and ginsenosides ($Rb_1,\;Rg_1,\;and\;Rg_5$ and Rk mixture) significantly increased the number of open arm entries and the time spent on the open arm, compared with that of control. However, Red ginseng (RG) total extract (l00 mg/kg), GTS (25, 50 mg/kg), SG total extract (25 mg/kg) and ginsenosides ($Rg_{3}-R\;and\;Rg_{3}-S$) did not increase the number of open arm entries and the time spent on the open arm. On the other hand, butanol fraction of RG (l00 mg/kg), total extract of SG (50 mg/kg), butanol fraction of SG (50 mg/kg), ginsenosides ($Rb_{1},\;and\;Rg_{5}$ and Rk mixture) decreased the locomotor activity, in a similar fashion to diazepam. These data support that ginseng has the anxiolytic-like effects and the anxiolytic potential of SG was stronger than that of RG. Ginsenosides $Rb_{1},\;Rg_{1},\;and\;Rg_{5}$ and Rk mixture play important role on the anxiolytic-like effects of Panax ginseng. We provide evidence that ginseng and some ginsenosides may be useful for the treatment of anxiety.

Keywords

References

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