Research Article

Preparation, Characterization, and Dissolution Rate In Vitro Evaluation of Total Panax Notoginsenoside Nanoparticles, Typical Multicomponent Extracts from Traditional Chinese Medicine, Using Supercritical Antisolvent Process

Figure 9

FTIR spectra of unprocessed and processed TPNS (processed TPNS is TPNS nanoparticles precipitated from ethanol under optimum condition).