Choleretic activity and biliary elimination of lipids and bile acids induced by an artichoke leaf extract in rats

The therapeutic properties of artichoke ( Cynara scolymus L.) preparations have been known since ancient times. The traditional use of artichoke leaf extract (ALE) in gastroenterology is mainly based upon its strong antidyspeptic actions which are mediated by its choleretic activity. The aimof this...

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Bibliographic Details
Published in:Phytomedicine (Stuttgart) 2002-12, Vol.9 (8), p.687-693
Main Authors: Rodriguez, T. Saenz, Gimenez, D. Garcia, de la Puerta Vazquez, R
Format: Article
Language:English
Subjects:
Administration, Oral
Animals
artichoke leaf extract
Artichokes
Asteraceae
Bile
Bile - drug effects
Bile - physiology
biliary lipids
Cholagogues and Choleretics - administration & dosage
Cholagogues and Choleretics - pharmacology
Cholagogues and Choleretics - therapeutic use
choleretic activity
Cholesterol - metabolism
Cynara scolymus
Dose-Response Relationship, Drug
Evaluation
Male
Medicine, Botanic
Medicine, Herbal
Phospholipids - metabolism
Physiological aspects
Phytotherapy
Plant Extracts - administration & dosage
Plant Extracts - pharmacology
Plant Extracts - therapeutic use
Plant Leaves
Rats
Rats, Wistar
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Summary:The therapeutic properties of artichoke ( Cynara scolymus L.) preparations have been known since ancient times. The traditional use of artichoke leaf extract (ALE) in gastroenterology is mainly based upon its strong antidyspeptic actions which are mediated by its choleretic activity. The aimof this study was to investigate the effects of ALE on bile flow and the formation of bile compoundsin anaesthetised Wistar rats after acute and repeated (twice a day for 7 consecutive days) oraladministration. A significant increase in bile flow was observed after acute treatment with ALEas well as after repeated administration. The choleretic effects of ALE were similar to those of the reference compound dehydrocholic acid (DHCA). Total bile acids, cholesterol and phospholipid were determined by enzymatic assays. There was a strong ALE-induced increase in total bile acid concentration over the entire experiment. With the highest dose (400 mg/kg), a significant increase was obtained after single and repeated administration. The bile acids-increased effects of ALE were much more pronounced than those of reference (DHCA). No significant differences in cholesterol and phospholipid content could be found.
ISSN:0944-7113
1618-095X
DOI:10.1078/094471102321621278