Fig. 4

Collagen deposition in the liver tissue of the mice from each group (Pathology). a HYP content. b Liver fibrosis areas with positive collagen levels by semiquantitative analysis of Sirius red staining. c Sirius red staining (200×). d Liver fibrosis stage. Significant differences are indicated as follows: *, # P < 0.05, **P < 0.01