Relaxant Effects of Essential Oils Of Eucalyptus Camaldulensis on Aortic Rings in Male Albino Rats

Authors

  • Omar A. M. Al-Habib University of Zakho
  • Dlzar A. Kheder University of Zakho
  • Gianluca Gilardoni University of Pavia

Keywords:

Eucalyptus camaldulensis, Eucalyptus camaldulensis, essential oils, vasorelaxation

Abstract

The essential oil (EO) produced a potent dilation in aortic rings with percentage of relaxation 95.659%.The significant relaxant effect on thoracic aortic rings was inhibited by GLIB (10-5) and 4-AP (1mM)with percentages of relaxation, 74.577% and 51.494%, respectively. On the other hand, vasorelaxation in aortic rings did not influenced by pretreatment with TEA and BaCl2. Pretreatment of aortic rings with nifedipine, significantly blocked the relaxation to 38.7%. On the other hand, the dose-response shifted to the right in endothelium denuded preparation. The percentage of relaxation in endothelium-denuded was 82.28%. Preincubation of aortic rings with L-NAME and Indomethacin altered the dilation from control significantly, and the percentage of relaxation found to be 60.18% and 77.077%, respectively. The present study suggest that the EO of E .camaldulensis depresses the aortic force development, probably acting as a Ca++ channel antagonism and partially via NO and cyclooxygenase pathways, the involvement of KATP and KV channels in the vasorelaxatoin induced by EO.

Author Biographies

Omar A. M. Al-Habib, University of Zakho

Biology Dept., Faculty of Science, University of Zakho, Kurdistan - Region, Iraq.

Dlzar A. Kheder, University of Zakho

Biology Dept., Faculty of Science, University of Zakho, Kurdistan - Region, Iraq.

Gianluca Gilardoni, University of Pavia

Chemistry Dept., Faculty of Science, University of Pavia, Italy.

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Published

2013-06-30

How to Cite

Al-Habib, O. A. M., Kheder, D. A., & Gilardoni, G. (2013). Relaxant Effects of Essential Oils Of Eucalyptus Camaldulensis on Aortic Rings in Male Albino Rats. Science Journal of University of Zakho, 1(1), 139–146. Retrieved from https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/56

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Science Journal of University of Zakho