Table 8.

Absolute and relative organ weights of the silkworm extract powder in male rats

Parameters	Main group (mg/kg/day)				Recovery group (mg/kg/day)
	0	500	1000	2000	0	2000
Body weights (g)a)	419.93 ± 15.09	459.35 ± 53.46	434.28 ± 23.35	439.99 ± 31.47	461.03 ± 23.01	503.19 ± 25.81*
Adrenal gland-left	0.024 ± 0.002	0.028 ± 0.003**	0.025 ± 0.003	0.028 ± 0.004*	0.025 ± 0.002	0.023 ± 0.009
% to body weight	0.006 ± 0.001	0.006 ± 0.001	0.006 ± 0.001	0.006 ± 0.001	0.006 ± 0.000	0.005 ± 0.002
Adrenal gland-right	0.023 ± 0.003	0.028 ± 0.004**	0.024 ± 0.003	0.027 ± 0.003*	0.026 ± 0.002	0.027 ± 0.003
% to body weight	0.006 ± 0.001	0.006 ± 0.000	0.006 ± 0.001	0.006 ± 0.001	0.006 ± 0.000	0.005 ± 0.001
Pituitary gland	0.011 ± 0.001	0.012 ± 0.002	0.012 ± 0.001	0.012 ± 0.002	0.012 ± 0.001	0.013 ± 0.001
% to body weight	0.003 ± 0.000	0.003 ± 0.000	0.003 ± 0.000	0.003 ± 0.000	0.003 ± 0.000	0.003 ± 0.000
Thymus	0.307 ± 0.070	0.316 ± 0.061	0.285 ± 0.057	0.285 ± 0.064	0.235 ± 0.061	0.265 ± 0.041
% to body weight	0.073 ± 0.016	0.069 ± 0.013	0.066 ± 0.015	0.065 ± 0.015	0.051 ± 0.011	0.053 ± 0.009
Prostate gland	0.595 ± 0.094	0.651 ± 0.1070	0.644 ± 0.094	0.583 ± 0.116	0.658 ± 0.051	0.691 ± 0.210
% to body weight	0.142 ± 0.022	0.144 ± 0.029	0.149 ± 0.023	0.133 ± 0.028	0.142 ± 0.017	0.139 ± 0.045
Testis-left	1.921 ± 0.352	1.995 ± 0.176	2.007 ± 0.107	2.105 ± 0.163	2.125 ± 0.140	2.158 ± 0.169
% to body weight	0.458 ± 0.085	0.438 ± 0.053	0.463 ± 0.030	0.480 ± 0.044	0.462 ± 0.040	0.429 ± 0.032
Testis-right	2.026 ± 0.157	2.047 ± 0.151	2.026 ± 0.087	2.108 ± 0.160	2.125 ± 0.094	2.196 ± 0.163
% to body weight	0.483 ± 0.037	0.449 ± 0.043	0.468 ± 0.027	0.481 ± 0.044	0.462 ± 0.035	0.438 ± 0.043
Epididymis-left	0.631 ± 0.100	0.689 ± 0.075	0.672 ± 0.037	0.704 ± 0.048	0.726 ± 0.018	0.749 ± 0.048
% to body weight	0.150 ± 0.023	0.151 ± 0.016	0.155 ± 0.007	0.161 ± 0.014	0.158 ± 0.010	0.149 ± 0.015
Epididymis-right	0.687 ± 0.058	0.720 ± 0.055	0.700 ± 0.053	0.706 ± 0.041	0.742 ± 0.035	0.771 ± 0.026
% to body weight	0.164 ± 0.011	0.158 ± 0.015	0.161 ± 0.010	0.161 ± 0.012	0.161 ± 0.012	0.154 ± 0.012
Spleen	0.828 ± 0.106	0.912 ± 0.158	0.833 ± 0.122	0.856 ± 0.091	0.830 ± 0.122	0.894 ± 0.074
% to body weight	0.197 ± 0.023	0.198 ± 0.021	0.192 ± 0.023	0.195 ± 0.014	0.180 ± 0.012	0.178 ± 0.020
Kidney-left	1.245 ± 0.081	1.395 ± 0.149*	1.286 ± 0.077	1.359 ± 0.143*	1.323 ± 0.054	1.406 ± 0.063
% to body weight	0.297 ± 0.020	0.304 ± 0.017	0.296 ± 0.012	0.309 ± 0.018	0.287 ± 0.013	0.280 ± 0.021
Kidney-right	1.298 ± 0.102	1.390 ± 0.122	1.294 ± 0.066	1.376 ± 0.134	1.342 ± 0.060	1.456 ± 0.075*
% to body weight	0.309 ± 0.027	0.304 ± 0.019	0.298 ± 0.012	0.312 ± 0.012	0.292 ± 0.017	0.290 ± 0.021
Heart	1.413 ± 0.095	1.516 ± 0.205	1.406 ± 0.076	1.466 ± 0.118	1.488 ± 0.149	1.616 ± 0.099
% to body weight	0.337 ± 0.024	0.330 ± 0.016	0.324 ± 0.017	0.333 ± 0.019	0.322 ± 0.018	0.321 ± 0.019
Lung	1.727 ± 0.130	1.849 ± 0.177	1.746 ± 0.153	1.724 ± 0.127	1.793 ± 0.107	1.963 ± 0.111*
% to body weight	0.411 ± 0.026	0.404 ± 0.028	0.402 ± 0.028	0.392 ± 0.009	0.390 ± 0.035	0.391 ± 0.035
Brain	1.945 ± 0.077	2.007 ± 0.102	1.973 ± 0.090	1.992 ± 0.069	1.915 ± 0.071	2.066 ± 0.098*
% to body weight	0.464 ± 0.028	0.440 ± 0.033	0.455 ± 0.026	0.454 ± 0.025	0.416 ± 0.030	0.411 ± 0.024
Liver	10.580 ± 0.578	12.072 ± 1.729	11.034 ± 0.800	11.860 ± 1.453	10.970 ± 0.629	12.379 ± 0.803*
% to body weight	2.521 ± 0.135	2.622 ± 0.119	2.540 ± 0.108	2.690 ± 0.189*	2.380 ± 0.087	2.460 ± 0.0791
No. of animals	10	10	10	10	5	5

^*/** Significantly different from control at p < 0.05/ p < 0.01. Values are mean ± S.D.

^a)Body weights were measured right before necropsy after an overnight fast.