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

Table 1

The stability study of Ber-loaded SLN-chitosan nanoparticles at SIF and SGF.

Medium	Particle size (nm)		Encapsulation efficiency (%)
	Initial	Final	Initial	Final
SIF (pH 6.8)	248.3 ± 9.7	259.5 ± 11.3	90.3 ± 3.4	82.6 ± 4.1
SGF (pH 1.5)	248.3 ± 9.7	261.4 ± 10.0	90.3 ± 3.4	73.7 ± 2.0