Effect of Essential Oil of Leaf and Aerial Part of Rosmarinus officinalis on Passive Avoidance Memory in Aged and Young Mice

Document Type : Original Article

Authors

1 Department of Pharmacology and Toxicologi , College of Pharmacy and Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

2 Pharm D.

3 Department of Pharmacology and Toxicologi, College of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

4 Department of of Pharmacogenosy, College of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

Abstract

Background and Objective: In this study, the effect of essential oil of aerial part of Rosmarinus officinalis, which is rich of antioxidants, was investigated on memory of young and aged mice with passive avoidance apparatus.
Materials and Methods: Five groups of each young and aged mice (n = 8) were selected for this study. All doses of essential oils of leafand aerial part of Rosmarinus officinalis (200, 400, 600, 800 mg/kg) were injected intraperitoneally once a day for 7 days to four groups of age and young mice and fifth group (control) received 10 ml/kg distilled water once daily for 7 days.
Results: Mean of step-down latency on day 4 in comparison with day 2 became significantly longer (P<0.05) in all young and aged groups of mice. On the other hand, the mean of step-down latency in all groups received different doses of essential oil to compare with control group showed significant (P< 0.05) improvement in memory test in day 4. Also in all aged group received different doses of essential oil step-down latency were significantly (P<0.05) longer than young groups.
Conclusion:The result showed that, the essential oil of Rosmarinus officinalis improves memory in all young and aged animal groups, but it was more effective on aged mice.

Keywords

References

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Jundishapur Scientific Medical Journal
Volume 13, Issue 5 - Serial Number 92
November and December 2017
Pages 503-511

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History

  • Receive Date: 10 December 2011
  • Revise Date: 05 July 2014
  • Accept Date: 05 August 2014

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