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Table 3 Glutathione S–transferase enzyme inhibition

From: Anti-inflammatory, cytotoxicity and antilipidemic properties: novel bioactivities of true cinnamon (Cinnamomum zeylanicum Blume) leaf

Extract

% Inhibition

IC 50 μg/mL

Concentration (μg/mL)

31.25

62.5

125

250

500

Ethanolic leaf

7.48 ± 0.65

16.78 ± 2.00

31.08 ± 1.82

45.24 ± 0.67

53.58 ± 0.20

403.78 ± 2.70

DM leaf

3.47 ± 0.20

6.74 ± 0.42

11.11 ± 1.26

13.28 ± 1.21

27.31 ± 2.61

–

  1. Results expressed as mean ± SE (n = 6); r2: ethanolic leaf and DM leaf = 0.84 & 0.97 respectively; IC50 Caffeic acid: 205.23 ± 2.27 μg/mL; DM: dichloromethane:methanol