Fig. 3

CBPP alleviated LPS-induced chronic bronchitis in rats. a H&E staining images of rat lungs; b Leukocyte numbers in BALF and the ELISA of the inflammatory cytokines TNF-α and IL-8 in BALF and serum. * p < 0.05 and ** p < 0.01 compared to the Con. # p < 0.05 and ## p < 0.01, compared to the Mod (n = 10)