Labeling of Tannic Acid with Technetium-99m for Diagnosis of Stomach Ulcer

Table 2

Biodistribution of ^99mTc-tannic acid in normal mice.

Organs and Body fluids	Percent I.D./gram organ
	Time after injection
	15 min	1 hr	2 hr
Blood	18.5 ± 1.10	11.2 ± 0.20*	7.2 ± 0.04*
Bone	4.1 ± 0.05	3.6 ± 0.10*	1.4 ± 0.10*
Muscle	3.0 ± 0.01	2.9 ± 0.02*	1.9 ± 0.10
Liver	8.1 ± 0.05	7.7 ± 0.15*	5.4 ± 0.16*
Lung	6.0 ± 0.10	4.5 ± 0.12*	2.3 ± 0.20*
Heart	5.1 ± 0.50	3.6 ± 0.50*	1.3 ± 0.01*
Stomach	5.0 ± 0.90	6.5 ± 0.60	3.4 ± 0.16*
Intestine	7.0 ± 0.50	5.4 ± 0.30*	4.1 ± 0.10*
Kidney	2.7 ± 0.40	4.6 ± 0.60	4.2 ± 0.30*
Spleen	0.5 ± 0.02	0.9 ± 0.24*	0.8 ± 0.2

Values represent mean ± SEM 𝑛=10
*significantly different from previous value of each organ using unpaired Student’s t-test (𝑃<0.05).