Table 5.

Effect of subchronic oral administration of the ethanol extract of Z. zerumbet rhizomes (EEZZ) on organ weights of male Wistar rats.

Organs	Organ weight (g)				Relative organ weight (g 100 g−1 of body weight)
	Vehicle	EEZZ (mg kg−1 per day)			Vehicle	EEZZ (mg kg−1 per day)
		1000	2000	3000		1000	2000	3000
Spleen	0.591 ± 0.038	0.571 ± 0.041	0.599 ± 0.039	0.585 ± 0.043	0.230 ± 0.012	0.222 ± 0.009	0.229 ± 0.011	0.218 ± 0.013
Brain	1.188 ± 0.015	1.197 ± 0.017	1.198 ± 0.018	1.171 ± 0.021	0.464 ± 0.022	0.466 ± 0.027	0.459 ± 0.019	0.437 ± 0.023
Heart	1.083 ± 0.048	1.072 ± 0.039	1.074 ± 0.043	1.086 ± 0.047	0.427 ± 0.009	0.330 ± 0.016	0.319 ± 0.013	0.282 ± 0.018
Esophagus	0.133 ± 0.010	0.127 ± 0.009	0.122 ± 0.011	0.130 ± 0.008	0.423 ± 0.008	0.049 ± 0.011	0.046 ± 0.009	0.049 ± 0.013
Stomach	1.438 ± 0.038	1.482 ± 0.045	1.453± 0.047	1.461 ± 0.041	0.561 ± 0.021	0.577 ± 0.019	0.556 ± 0.023	0.546 ± 0.021
Liver	9.971 ± 0.035	9.952 ± 0.043	9.986 ± 0.048	9.994 ± 0.052	3.894 ± 0.118	3.872 ± 0.153	3.826 ± 0.175	3.729 ± 0.143
Adrenal gland	0.024 ± 0.002	0.025 ± 0.001	0.021 ± 0.003	0.023 ± 0.003	0.009 ± 0.003	0.009 ± 0.002	0.008 ± 0.002	0.009 ± 0.003
Hypophysis	0.004 ± 0.001	0.004 ± 0.001	0.004 ± 0.001	0.004 ± 0.001	0.001 ± 0.001	0.001 ± 0.001	0.001 ± 0.001	0.001 ± 0.001
Hypothalamus	0.036 ± 0.001	0.035 ± 0.001	0.035 ± 0.001	0.034 ± 0.001	0.014 ± 0.002	0.014 ± 0.001	0.013 ± 0.001	0.013 ± 0.002
Small intestine	0.572 ± 0.045	0.586 ± 0.057	0.582 ± 0.063	0.597 ± 0.068	0.223 ± 0.021	0.228 ± 0.019	0.223 ± 0.017	0.223 ± 0.025
Lungs	1.435 ± 0.066	1.441 ± 0.059	1.463 ± 0.065	1.470 ± 0.078	0.381 ± 0.025	0.561 ± 0.028	0.559 ± 0.031	0.549 ± 0.032
Kidney	0.975 ± 0.053	0.967 ± 0.059	0.968 ± 0.062	0.948 ± 0.058	0.336 ± 0.015	0.346 ± 0.017	0.351 ± 0.016	0.313 ± 0.015
Epididymis	0.615 ± 0.056	0.603 ± 0.045	0.625 ± 0.038	0.620 ± 0.047	0.239 ± 0.013	0.235 ± 0.009	0.239 ± 0.010	0.232 ± 0.012
Vas deferens	0.125 ± 0.011	0.129 ± 0.009	0.131 ± 0.008	0.132 ± 0.009	0.049 ± 0.003	0.050 ± 0.005	0.050 ± 0.004	0.049 ± 0.006
Prostate	0.553 ± 0.071	0.547 ± 0.053	0.569 ± 0.064	0.565 ± 0.056	0.215 ± 0.011	0.213 ± 0.009	0.218 ± 0.013	0.211 ± 0.012
Testicle	1.618 ± 0.072	1.627 ± 0.068	1.614 ± 0.078	1.637 ± 0.059	0.629 ± 0.032	0.632 ± 0.027	0.617 ± 0.031	0.610 ± 0.025
Seminal vesicle	0.467 ± 0.022	0.471 ± 0.017	0.478 ± 0.021	0.469 ± 0.019	0.182 ± 0.007	0.183 ± 0.010	0.183 ± 0.009	0.175 ± 0.013

Wistar rats (n = 10 per group) were administered EEZZ by daily gavage for 4 weeks. Data are expressed as mean ± SD.