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Antidepressive and anxiolytic effects of a combination of Saffron and Chamomile in rats and their relationship with
Faiq Amin1, Saara Ahmad1, Muhammad Wasim2
1Department of Biological and Biomedical Sciences, the Aga Khan University, Karachi 74800, Pakistan.
Objective:
To explore the potential of combining natural herbs like chamomile and saffron for the management of anxiety and depression.
Methods:
A rodent model of Major Depressive Disorder (MDD) and anxiety, secondary to streptozotocin-induced diabetes mellitus was made. A total of 6 rat groups were chosen; healthy and diseased controls; and diseased test groups of fluoxetine, saffron, chamomile, and combined saffron and chamomile treated (n = 6/group). Activity by forced swim test (FST), elevated plus maze test (EPMT), and correlations with biochemical markers like serum glucose, tryptophan, C-reactive protein (CRP), brain derived neurotrophic factor (BDNF) and 5-hydrox-ytryptamine 2C receptor (5HT2CR) expression, were assessed at the end of the 3rd week of the treatment. A one-way analysis of variance with a post-hoc Tukey's test was applied.
Results:
The combined herbal treatment group showed significantly better (P <0.05) than all other groups in terms of anti-hyperglycemic effect. All treatments improved the CRP levels; however, the combination group was also significantly better than fluoxetine and the individual herb groups. Only the herb groups showed efficacy in the FST with added benefits of the combination group over the healthy controls and similar trends in the EPMT. However, expression of 5HT2CR was repressed while BDNF was elevated through treatment.
Conclusion:
This study shows that in comparison to treatment with a SSRI, and individual herbs, the combination of chamomile and saffron showed overall improved outcomes.
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