Table 1.

Weight of body and organs (g).

Detection index	Control group	Experimental group
rat weight	284.00 ± 23.98	251.24 ± 32.73*
thymic weight	0.21 ± 0.03	0.20 ± 0.03
thymus index number	0.75 ± 0.10	0.80 ± 0.11
spleen weight	0.67 ± 0.04	0.75 ± 0.03**
spleen index number	2.37 ± 0.19	3.00 ± 0.30**

Mean ± standard deviation, *P < 0.05, **P < 0.01.