Fig. 4From: Composition and biological activities of the aqueous extracts of three scleractinian corals from the Mexican Caribbean: Pseudodiploria strigosa, Porites astreoides and Siderastrea siderea Formalin test for assessment of the nociceptive activity of the extracts in rats at a dose of 40 μg protein/paw. Nociceptive behavior in phase 1 (0–10 min post-injection) and phase 2 (10–50 min post-injection) was scored as the amount of time spent licking, flinching, and lifting. *Significant difference (p < 0.05) when compared to the negative group injected with saline solutionBack to article page