14 days

28 days

42 days

control

4.92±0.46

5.67±0.57

5.80±0.70

5 mg/kg group

5.61±0.56

6.74±0.70

7.31±0.81

15 mg/kg group

8.63±0.95**

9.17±1.00**

10.14±1.10**

30 mg/kg group

10.49±0.84**

11.86±1.07**

12.84±1.07**

45 mg/kg group

12.27±1.04**

11.92±0.81**

13.26±1.07**

60 mg/kg group

14.82±1.03**

14.64±1.07**

16.90±1.04**

Data are the means ± standard deviation (n=5)
*p<0.05, compared with the control group
**p<0.01, compared with the control group

Table 1: The changes on percentage of apoptotic cells of spleen.