Abstract
The Pomegranate (Punica granatum) is a commonly found fruit in the Mediterranean and Iran, which has a variety of uses including medicinal purposes, cosmetics, and as a spice in culinary applications. Pharmacological functions of Pomegranate include antioxidation, anti–tumor, anti–hepatotoxicity, anti–lipoperoxidation and antibacterial properties. The aim of this study was to evaluate the therapeutic efficacy of Pomegranate extract by utilizing its antioxidant activity in an experimental rat model of gastritis induced by ethanol. In the study, 24 female Wistar albino rats (180–200 g) were used. Gastritis in rats was induced using Ethanol. In experimental groups, Tumor necrosis factor–alpha, Myloperoxidase, Superoxide Dismutase and Malondialdehyde were examined for biochemical analyzes. Streptavidin peroxidase immunohistochemistry method was applied to gastric tissues with gastritis. A statistically significant difference was observed between Superoxide Dismutase and Meloperoxidase levels. CD8 and CD68 immunoreactivity was higher in the Ethanol group compared to the other groups. A decrease was observed in CD8 and CD68 positive immunoreactivity in Ethanol+Pomegranate extract group compared to Ethanol group. The study found that the immunoreactivity of MHC–I and MHC–II was found in specific locations, namely intraepithelial lymphocytes located in the epithelium, some capillary vessel endothelium, and connective tissue. Changes in anti–oxidative stress markers such as Superoxide Dismutase and Myloperoxidase contributed to the mucosal protective effect of Pomegranate extract in Ethanol–induced gastritis.
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