Organs &body fluids Percent I.D./gram organ
Time post injection
15 min 1/2 hr 1 hr 2 hr
Blood 14.9 ±0.19 11.8 ± 0.80 5.8 ± 0.29 2.7 ± 0.44
Bone 1.9 ± 0.78 2.7 ± 0.64 2.8± 0.19 1.8 ± 0.09
Muscle 0.87 ± 0.01 1.2 ± 0.02 1.3 ± 0.13 1.15± 0.11
Liver 4.9 ± 0.18 9.7 ± 0.17 6.1 ±0.48 2.8 ± 0.39
Lung 3.5 ± 0.16 2.18 ± 0.33 2.21 ± 0.31 1.9 ± 0.02
Heart 9.1 ± 0.12 11.2 ± 0.27 5.9 ± 0.32 2.4 ± 0.41
Stomach 2.8 ± 0.29 2.9 ± 0.16 1.5 ± 0.16 0.9 ± 0.01
Intestine 4.1 ± 0.17 5.8 ± 0.28 2.3 ± 0.13    1.4± 0.12
Kidney 8.3 ± 0.20 13.4 ± 0.39 5.9 ± 0.23 3.1 ± 0.13
Spleen 1.2± 0.02 1.5 ± 0.13 1.0 ± 0.11    1.3 ± 0.20
Table 1: Biodistribution of 99mTc-valsartan in normal mice. Mean ± SD (mean of five experiments).