ANTI-INFLAMMATORY AND ANALGESIC ACTIVITIES OF OLIVE TREE EXTRACT
Keywords:Olive leaves, Olive fruit, Polyphenols, Anti-inflammatory, Analgesic, In vivo
Objective: The aim of this study was the in vivo evaluation of analgesic and anti-inflammatory effect of an olive tree extract with high polyphenols content.
Methods: This olive tree extract was obtained from Moroccan olive fruits and leaves using an eco-extraction free of chemical solvents and toxic additives. Anti-inflammatory activity was evaluated using carrageenan and histamine-induced paw edema methods. Analgesic activity of the olive tree extract was estimated against a hot plate, acetic acid induced writhing and formalin tests.
Results: The extracts showed significant anti-inflammatory and analgesic activities with a dose-dependent manner. Anti-inflammatory activity of olive tree extract at 250 and 500 mg/kg doses was more important compared to the used standard drugs (p<0.05), in both carrageenan and histamine-induced paw edema tests. In analgesic assays, results showed that 500 mg/kg dose of olive tree extract has a significant analgesic effect through both peripheral and central mechanisms.
Conclusion: Our findings suggest that olive tree extract is safe and has potential anti-inflammatory and analgesic activities, which promote this use as a food supplement against pain and inflammation related to inflammatory diseases.
Keywords: Olive leaves, Olive fruit, Polyphenols, Anti-inflammatory, and Analgesic, In vivo
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