Research Article

Antioxidant and Antinociceptive Effects of Citrus limon Essential Oil in Mice

Figure 3

Nitric oxide (NO) scavenging assay. Nitric oxide is generated from spontaneous decomposition of sodium nitroprusside (SNP) and interacts with oxygen to produce nitrite ions, which are measured by the Griess reaction. SNP group is sodium nitroprusside alone other groups denote nitrite production by SNP in the presence of different concentrations of EO. Bars represent mean ± SEM. a , when compared to control; b , when compared to 1 μg/mL; c , when compared to 10 μg/mL; d , when compared to 100 μg/mL. One-way ANOVA followed by Tukey’s multiple comparison post hoc test was applied to all data.
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