Fig. 4From: The combination of oral quercetin supplementation and exercise prevents brain mitochondrial biogenesisEffects of quercetin supplementation and exercise on mitochondrial DNA content and CS activity. Values are mean ± SD. Results for two-way ANOVA (with/without quercetin and with/without exercise) and Student’s t test for independent sample, when interaction was significant. *P < 0.05, **P < 0.01 and ***P < 0.001Back to article page