Volume 24, Issue 7 (Oct 2016)                   JSSU 2016, 24(7): 576-586 | Back to browse issues page

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Ghayedi N, Bahaoddini A, Khoshnam S, Gholampour F, Khosravi A, Moein M. Evaluation the effect of hydro-alcoholic extract of GlycyrrhizaGlabra rhizome on the isolated colon contractions of male rats. JSSU 2016; 24 (7) :576-586
URL: http://jssu.ssu.ac.ir/article-1-3355-en.html
Abstract:   (6092 Views)

Introduction:The licorice (Glycyrrhizaglabra) rhizome has been widely used in traditional medicine for treatment of gastrointestinal diseases such as gastric ulcer and relieve intestinal spasms. In the present study, the effect of hydro-alcoholic extract of licoricerhizome on mechanical activity of isolated colon of male rats has been studied.

Methods: Adult male rats were anesthetized by ethyl ether, their abdomen opened, and colon tissues were removed and divided into 1 cm segments. The segments were connected to a force transducer longitudinally and inserted to an organ bathe contained oxygenated Tyrode solution (37 °C, pH=7.4). Their mechanical activity of ileum was recorded by power lab AD instrument in basal condition, and after administration of L-NAME (10-4M), acetylcholine (4×10-5M) and Atropine (10-5M) drugs in the presence and absence of licorice rhizome extract were recorded (0.036mg/ml). Also, the mechanical activity of control group segments were recorded at the same condition with extract solvent (ethanol %70).

Results: A significant decrease in mechanical activity of the isolated colon occurred after administration of hydro-alcoholic extract of licorice rhizome compared to the control group (p≤0.05). Also, a significant decrease was seen in mechanical activity occurredin the co-administration of extract and acetylcholine compared to the control group. The mechanical activity of tissue was not significantly changed in the presence of Atropine and extract between experimental and control groups. The mechanical activity of ileum tissue was not significantly changed in the co-administration of L-NAME and extract between experimental and control groups.

Conclusion: We can conclude that hydro-alcoholic extract of licorice has modifying effect on colon motility, and this activity may be occurred independently in the nitrergic and cholinergic systems.

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Type of Study: Original article | Subject: Physiology
Received: 2015/08/12 | Accepted: 2016/06/5 | Published: 2016/11/22

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