Table 1.

Histological score of articular cartilage

Femoral condyle	Vehicle	Biochanin A (5μM )	Biochanin A (50μM)
Structural changes	3.23 ± 0.31	2.76 ± 0.15	1.8 ± 0.1*
Cellular changes	2.67 ± 0.15	2.27 ± 0.25	1.87 ± 0.15*
Safranin staining	2.9 ± 0.1	2.53 ± 0.21	1.94 ± 0.15*
Total score	8.8 ± 0.53	7.57 ± 0.40*	5.6 ± 0.26*

Values are the mean ± SD. *p < 0.05 compared with vehicle group.