Research Article

Chitosan-Coated Solid Lipid Nano-Encapsulation Improves the Therapeutic Antiairway Inflammation Effect of Berberine against COPD in Cigarette Smoke-Exposed Rats

Figure 2

In vitro cumulative release profiles of free berberine and Ber-loaded SLN-chitosan nanoparticles in simulated gastric fluid (SGF, pH 1.5) and simulated intestinal fluid (SIF, pH 6.8).