14 days

28 days

42 days

control

4.30±0.09

4.34±0.08

4.33±0.13

5 mg/kg group

4.45±0.08

4.62±0.15*

4.46±0.09

15 mg/kg group

4.26±0.05

4.55±0.14

4.34±0.06

30 mg/kg group

4.14±0.09

4.30±0.14

4.31±0.07

45 mg/kg group

4.09±0.02*

4.01±0.14*

4.06±0.08**

60 mg/kg group

3.92±0.15**

3.90±0.13**

3.82±0.08**
Data are presented as means ± standard deviation (n=5) *p<0.05, compared with the control group **p<0.01, compared with the control group
Table 2: Changes of the serum INF-γ content (ng/ml).