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Betulinic Acid has an Inhibitory Effect on Pancreatic Lipase and Induces Adipocyte Lipolysis.
MedLine Citation:
PMID:  22114077     Owner:  NLM     Status:  Publisher    
Betulinic acid is a pentacyclic triterpenic acid that exists naturally in many kinds of food and has many biological functions. The present study investigated the antiobesity properties of betulinic acid and possible mechanisms by which betulinic acid functions. To examine the antilipase function of betulinic acid, the ability of betulinic acid to inhibit pancreatic lipase activity in vitro and to prevent the elevation of plasma triacylglycerol levels was tested after oral administration of a lipid emulsion in rats. In addition, the lipolytic effects of betulinic acid were assayed in rat adipose tissues. The activity of cAMP-dependent phosphodiesterase was also measured in vitro. Betulinic acid inhibited pancreatic lipase activity in a dose-dependent manner at concentrations of 1.5-100 µm (IC(50) value of 21.10 µm) and prevented the elevation of plasma triacylglycerol levels 2 h after oral administration of the lipid emulsion at a dose of 100 mg/kg. In addition, betulinic acid had a strong lipolytic effect, which was mediated by cAMP-dependent phosphodiesterase inhibition. In conclusion, betulinic acid may exert antiobesity effects by directly inhibiting pancreatic lipase, which would prevent the absorption of lipid from the small intestine. In addition, it was found that betulinic acid may further accelerate fat mobilization by enhancing the levels of lipolysis in adipose tissues. Copyright © 2011 John Wiley & Sons, Ltd.
Junghyun Kim; Young Seub Lee; Chan-Sik Kim; Jin Sook Kim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-24
Journal Detail:
Title:  Phytotherapy research : PTR     Volume:  -     ISSN:  1099-1573     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8904486     Medline TA:  Phytother Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 John Wiley & Sons, Ltd.
Diabetic Complications Research Center, Division of Traditional Korean Medicine (TKM) Integrated Research, Korea Institute of Oriental Medicine, Daejeon, South Korea.
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