145380.fig.004
Figure 4: XRD spectra of catechin-loaded PLGA nanoparticles (a), quercetin-loaded PLGA nanoparticles (b), catechin/PLGA physical mixtures (c), quercetin/PLGA physical mixtures (d), catechin (e), quercetin (f), and free PLGA nanoparticles (g).