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Immunomodulatory activity of Āmalaki Rasāyana: An experimental evaluation
Jignesh Rajani1, B K Ashok, Galib
1Department of Rasashastra and Bhaishajya Kalpana Including Drug Research, Institute for Post Graduate Teaching and Research in Ayurveda, Gujarat Ayurved University, Jamnagar, Gujarat, India.
Background:
Ayurvedic system of medicine holds a number of drugs that improves the immunity. Āmalaki (Emblica officinalis) is one such drug. Researches with crude extracts of Āmalaki have proven the antioxidant and immunomodulatory activities. But, works on Āmalaki Rasāyana are not found reported.
Aims:
Considering this, two samples of Āmalaki Rasāyana (AR7 and AR21) were studied to evaluate comparative immunomodulatory activity against the cyclophosphamide immunosuppression in rats.
Materials And Methods:
Test drugs were prepared by following classical guidelines. Wistar strain albino rats of either sex were used in the study.
Statistical Analysis:
For comparison of data from cyclophosphamide control group with remaining cyclophosphamide plus test drug administered groups one way ANOVA with Dunnett's multiple t-test (DMTT) was employed.
Results And Conclusions:
Āmalaki Rasāyana possesses significant immunostimulant activity and moderate cytoprotective activity. AR21 was found to have better activity profile in terms of both immunostimulant as well as cytoprotective activity.
