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J Agric Food Chem. 2014 Oct 29;62(43):10452-7. doi: 10.1021/jf5026086. Epub 2014 Oct 20.

Anti-inflammatory activity of grains of paradise (Aframomum melegueta Schum) extract.

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Institute of Food Technology, University of Novi Sad , Bulevar cara Lazara 1, 21 000 Novi Sad, Serbia.


The ethanolic extract of grains of paradise (Aframomum melegueta Schum, Zingiberaceae) has been evaluated for inhibitory activity on cyclooxygenase-2 (COX-2) enzyme, in vivo for the anti-inflammatory activity and expression of several pro-inflammatory genes. Bioactivity-guided fractionation showed that the most active COX-2 inhibitory compound in the extract was [6]-paradol. [6]-Shogaol, another compound from the extract, was the most active inhibitory compound in pro-inflammatory gene expression assays. In a rat paw edema model, the whole extract reduced inflammation by 49% at 1000 mg/kg. Major gingerols from the extract [6]-paradol, [6]-gingerol, and [6]-shogaol reduced inflammation by 20, 25 and 38%. respectively when administered individually at a dose of 150 mg/kg. [6]-Shogaol efficacy was at the level of aspirin, used as a positive control. Grains of paradise extract has demonstrated an anti-inflammatory activity, which is in part due to the inhibition of COX-2 enzyme activity and expression of pro-inflammatory genes.


Aframomum melegueta Schum; COX-2; Zingiberaceae; anti-inflammatory; gingerols; grains of paradise; paw edema

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