Fig. 5

HPLC analyses for the biodistribution of quercetin in rat brain after oral administration of quercetin and quercetin conjugated Fe₃O₄ nanoparticles. QT, quercetin. All values reported are mean ± SEM (n = 6). [* for p < 0.05, ** for p < 0.01 and *** for p < 0.001]. QT, quercetin