Archives of Pharmacal Research

, Volume 32, Issue 7, pp 983–987 | Cite as

Anti-lipase and lipolytic activities of ursolic acid isolated from the roots of Actinidia arguta

  • Junghyun Kim
  • Dae Sik Jang
  • Hyojun Kim
  • Jin Sook Kim
Research Articles Drug Discovery and Development

Abstract

The aim of this study was to investigate the anti-obestic effects of ursolic acid isolated from the roots of Actinidia arguta, as well as the mechanism of action of this compound. This was conducted by testing whether ursolic acid inhibited the elevation of the rat plasma triacylglycerol levels after oral administration of a lipid emulsion containing corn oil in rats. Ursolic acid prevented the elevation of plasma triacylglycerol levels 2 h after oral administration of the lipid emulsion at a dose of 100 mg/kg. Furthermore, ursolic acid inhibited phosphodiesterase activity in vitro with an IC50 of 51.21 μM and enhanced lipolysis in rat fat cells. We suggest that the inhibitory effects of ursolic acid, isolated from the roots of A. arguta, on obesity, might be attributable to the inhibition of lipid absorption through the inhibition of pancreatic lipase and by enhancing lipolysis in fat cells.

Key words

Ursolic acid Lipolysis Obesity Pancreatic lipase Phosphodiesterase 

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Copyright information

© The Pharmaceutical Society of Korea 2009

Authors and Affiliations

  • Junghyun Kim
    • 1
  • Dae Sik Jang
    • 1
  • Hyojun Kim
    • 1
  • Jin Sook Kim
    • 1
  1. 1.Diabetic Complications Research Center, Division of Traditional Korean Medicine (TKM) Integrated ResearchKorea Institute of Oriental Medicine (KIOM)DaejeonKorea

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