Table 2

Effect of green tea (G), licorice (L) or their mixture on levels of plasma thyroid stimulating hormone (TSH), triiodothyronine (T3), and tetraiodothyronine (T4), Thyroxine 5'-DI of normal and dimethylnitrosamine (D)-intoxicated male albino rats.

Groups
TSH (μIU/ml)
T4 (μg/dl)
T3 (ng/dl)
Thyroxine 5'-DI (ng hr-1/mg protein)



Mean ± SE
% of
change
Mean ± SE
% of
change
Mean ± SE
% of
change
Mean ± SE
% of
change

Control
0.09 ± 0.009g

31.7 ± 1.10b

792.7 ± 22.0a

1.47 ± 0.086b


D
0.21 ± 0.003f
+133.33
7.1 ± 0.30c
-77.60
183.0 ± 5.70d
-76.91
1.89 ± 0.048a
+28.57

G
0.29 ± 0.010c
+ 222.22
34.1 ± 0.69a
+ 7.57
777.8 ± 26.4a
-1.88
1.21 ± 0.033bc
-17.69

L
0.20 ± 0.005f
+ 122.22
32.1 ± 0.74b
+ 1.26
610.4 ± 16.2b
-23.00
1.91 ± 0.105a
+29.93

G + L
1.35 ± 0.002a
+ 1400
29.3 ± 0.44c
-7.57
581.1 ± 18.1b
-27.69
0.96 ± 0.056d
-34.69

D + G
0.25 ± 0.007d
+ 19.05
12.3 ± 0.58d
+ 73.24
234.2 ± 8.7c
+27.98
1.19 ± 0.090c
-37.04

D + L
0.85 ± 0.016b
+ 305.76
7.7 ± 0.28c
+ 8.45
195.7 ± 7.5cd
+6.94
1.44 ± 0.113b
-23.81

D+G+L
0.23 ± 0.012dc
+ 9.52
8.2 ± 0.51c
15.49
195.6 ± 5.2cd
+6.89
0.78 ± 0.036d
-58.73

*Means that share the same superscript symbol are insignificantly different.

*% of changes of groups D, G and L are relative to control group.

*% of changes of groups D+G, D+L and D+G+L are relative to D group.

El Mgeed et al. Nutrition & Metabolism 2009 6:2   doi:10.1186/1743-7075-6-2