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Purpose: To investigate the analgesic properties of fruit extracts of Vitis vinifera (grape) and Punica granatum (pomegranate) in Albino mal mice. Methods: The analgesic activity of fruit extracts of V. vinifera and P. granatum were examined in vivo  using thermal stimulus assays (i.e., tail immersion and hot plate) and acetic acid-induced writhing test using acetylsalicylic acid (0.1 g/kg, per os) as standard. The extracts were administered orally in doses of 1.0, 2.0 and 3.0 g/kg. Results: In acetic acid writhes test, both fruit extract pretreatments (1.0, 2.0 and 3.0 g/kg, per os) significantly decreased the number of writhes ( p < 0.0001) in a dose-dependent manner compared to control. The Index of Pain Inhibition (IPI) values following V. vinifera extract treatments were 36.52 % (1.0 g/kg), 66.67 % (2.0 g/kg) and 89.71 % (3.0 g/kg) which were significantly different from those for P. granatum extracts (45.39 %, 1.0 g/kg), 70.93 %, 2.0 g/kg) and 86.88 %, 3.0 g/kg) at equivalent doses of 2.0 and 3.0 g/kg of the extracts The fruit extracts of both species increased the reaction latency time. In tail-immersion assay, only the fruit extract of P. granatum significantly increased the response to heat stimulus at doses of 2.0 g/kg ( p < 0.05). Conclusion: The hydroalcohol fruit extracts of P. granatum and V. vinifera have potential analgesic effects. Further studies are needed to determine the active component responsible for this effect. Keywords: Vitis vinifera , Punica granatum , Analgesic activity, Tail immersion test, Hot plate test, mouse writhings inhibition assay

tropical journal of pharmaceutical research

&lt;i&gt;In vivo&lt;/i&gt; analgesic activity and safety assessment of &lt;i&gt;Vitis vinifera&lt;/i&gt; L and &lt;i&gt;Punica granatum&lt;/i&gt; L fruits extracts