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Year : 2017  |  Volume : 38  |  Issue : 1  |  Page : 76-81

Anti-Alzheimer activity of isolated karanjin from Pongamia pinnata (L.) pierre and embelin from Embelia ribes Burm.f.

1 Department of Pharmacognosy, GRD (PG) College, Dehradun, India
2 Patanjali Herbal Research Department, Patanjali Research Institute, Haridwar, Uttrakhand, India

Correspondence Address:
Dr. Vinod Singh Bisht
Patanjali Herbal Research Department, Patanjali Research Institute, Haridwar- 249405, Uttrakhand
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ayu.AYU_174_16

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Aim: The aim of this study is to find out the anti-Alzheimer's activity of isolated karanjin and embelin. Materials and Methods: Karanjin isolated from Pongamia pinnata (L.) pierre and embelin from Embelia ribes Burm.f. and their purity was confirmed by ultraviolet spectrophotometric and Thin layer chromatography based study. Anti-Alzheimer's activity of isolated compounds were evaluated through elevated plus maze and Morris water maze model on Swiss albino mice. Diazepam (1 mg/kg body weight, intraperitoneally) was used for the induction of Alzheimer's like effects (amnesia) on Swiss albino mice and piracetam (200 mg/kg body weight, oral) used as a standard treatment. Results: In EPM, embelin and karanjin decrease the transfer latency time in dose dependent manner and escape latency time in MWM method. A significant (P < 0.01) reduction in amnesia with an anti-Alzheimer's effect found when results of isolated compounds were compared with standard and vehicle control. Diazepam (1 mg/kg) treated group showed significant increase in escape latency and transfer latency when compared with vehicle control; which indicates impairment in learning and memory. Conclusion: Both isolated compounds and standard significantly reversed the amnesia induced by diazepam and improved learning and memory of mice in dose and time dependent manner. This study supports the ethnobotanical use of these two plants in India for the management of nerve or brain related problems.

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