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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.

From: Histopathological and biochemical effects of green tea and/or licorice aqueous extracts on thyroid functions in male albino rats intoxicated with dimethylnitrosamine

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
  1. *Means that share the same superscript symbol are insignificantly different.
  2. *% of changes of groups D, G and L are relative to control group.
  3. *% of changes of groups D+G, D+L and D+G+L are relative to D group.