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Pakistan Journal of Biological Sciences
  Year: 2012 | Volume: 15 | Issue: 22 | Page No.: 1085-1089
DOI: 10.3923/pjbs.2012.1085.1089
Effects of Nepeta menthoides Aqueous Extract on Retention and Retrieval of Memory in Mice
S. Sarahroodi, R. Jafari-Najafi, S. Nasri, K. Rohampour, A. Maleki-Jamshid and S. Esmaeili

Abstract:
There are several evidences that plants and vegetables with antioxidant activity can reduce oxidative damages in brain and improve cognitive functions. The aim of this study was evaluation of Nepeta menthoidesaqueous extract on memory retention and retrieval of mice by using passive avoidance apparatus. For this purpose, mice were classified, coded, weighted and grouped (n = 8) as follow as: control group (Only electric shock), blank group (electric shock plus normal saline) and test groups (electric shock plus Nepeta menthoides extract by doses: 100, 200, 400 and 800 mg kg-1, i.p.). Delay time of leaving the platform was measured for retention and retrieval test of memory in all mentioned groups. In retention test, plant extract was administered immediately after receiving electric shock while it was administered 24 h after receiving electric shock in retrieval. The results revealed that Nepeta menthoides aqueous extract significantly (p<0.05) increased memory retention and retrieval. The best response for memory retention and retrieval was achieved with 800 mg kg-1 of Nepeta extract. In conclusion, enhancement of memory retention and retrieval by Nepeta menthoides could be cause of antioxidant activity of its components such as rosmarinic acid, caffeic acid and phenolic acids.
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How to cite this article:

S. Sarahroodi, R. Jafari-Najafi, S. Nasri, K. Rohampour, A. Maleki-Jamshid and S. Esmaeili, 2012. Effects of Nepeta menthoides Aqueous Extract on Retention and Retrieval of Memory in Mice. Pakistan Journal of Biological Sciences, 15: 1085-1089.

DOI: 10.3923/pjbs.2012.1085.1089

URL: https://scialert.net/abstract/?doi=pjbs.2012.1085.1089

 
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