Fig. 8. Difference of accumulated collagen (blue color) in healing areas between control and saponin-treated groups (Masson’s trichrome, ×40). Collagen in the healing area of control and saponin-treated groups gradually increased from day 1 to day 7. Aspects of collagen deposition in the saponin-treated group were greater than in the control group. Scale bar=100 μm.
