The effects of soyo-san extract on CORT (A), IL-1β (B) levels in the serum. The results of ELISA were analyzed by performing separate one-way ANOVA among the groups. Each value represents the mean ± S.E.M. *P < 0.05, **P < 0.01 compared to OVX +ST. #P < 0.05, ##P < 0.01 compared to non-op.