Development of Polymeric Nanoparticles of Garcinia mangostana Xanthones in Eudragit RL100/RS100 for Anti-Colon Cancer Drug Delivery

Figure 4

Fourier transform infrared spectroscopy. Free xanthones extract (a), empty nanoparticles made of E-RL100 : E-RS100 at 3 : 1 ratio (b), loaded nanoparticles at 20% drug loading (c), and physical mixtures at 20% drug concentration (d).