Table 2. In Vitro COX-2 Enzyme Inhibition by the Ethanolic Extract of Grains of Paradise and Its Anti-inflammatory Componentsa.
| treatment | inhibition (%) ± SD |
|---|---|
| controlb | 2 ± 2 |
| A. melegueta extract | 76 ± 6.7*** |
| [6]-gingerol | 7 ± 11.7 |
| [6]-shogaol | 68 ± 6.4*** |
| [6]-paradol | 91 ± 3.6*** |
| Vioxx | 87 ± 1.5*** |
Data are shown as mean inhibition ± SD in %. Significance: ***, 0.1%.
All samples were tested at the concentration of 1 mg/mL. Control, celery extract at 1 mg/mL; whole extract, grains of paradise (A. melegueta) extract at 1 mg/mL; Vioxx (MW 314.36) at 1 mg/mL, 3.18 mM; [6]-gingerol (MW 294.38) at 1 mg/mL, 3.39 mM; [6]-shogaol (MW 276.37) at 1 mg/mL, 3. 62 mM; [6]-paradol (MW 278) at 1 mg/mL, 3.60 mM.