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1.	Miao, Lingchao, et al. (författare) The anti-inflammatory potential of Portulaca oleracea L. (purslane) extract by partial suppression on NF-kappa B and MAPK activation 2019 Ingår i: Food Chemistry. - : ELSEVIER SCI LTD. - 0308-8146 .- 1873-7072. ; 290, s. 239-245 Tidskriftsartikel (refereegranskat)abstract Portulaca oleracea L. (Purslane) has great potential as food and traditional drugs in several countries. The purpose of this study was to evaluate the anti-inflammatory effects of purslane extract on lipopolysaccharide (LPS)stimulated RAW 264.7 cells. Purslane extracts significantly reduced LPS-induced synthesis of NO in a dose-dependent manner, as well as the expression levels of iNOS and COX-2. The productions of TNF-alpha and IL-6 were also significantly reduced at the higher dose of 400 mu g/ml. Meanwhile, the expression levels of P65, p-P65, p-MEK and p-I kappa B-alpha were inhibited dose-dependently. The nuclear translocation of P65 was partially prevented by the extract, which explained the inhibition of NF-kappa B pathway. In addition, three reported flavonoids, named luteolin, kaempferol and quercitrin, were identified in the extract, which might be responsible for its anti-inflammatory effects. Above all, our research has partially proved that purslane could be considered as a natural anti-inflammatory agent in further applications.

Miao, Lingchao, et al. (författare)
The anti-inflammatory potential of Portulaca oleracea L. (purslane) extract by partial suppression on NF-kappa B and MAPK activation
2019
Ingår i: Food Chemistry. - : ELSEVIER SCI LTD. - 0308-8146 .- 1873-7072. ; 290, s. 239-245
Tidskriftsartikel (refereegranskat)abstract
- Portulaca oleracea L. (Purslane) has great potential as food and traditional drugs in several countries. The purpose of this study was to evaluate the anti-inflammatory effects of purslane extract on lipopolysaccharide (LPS)stimulated RAW 264.7 cells. Purslane extracts significantly reduced LPS-induced synthesis of NO in a dose-dependent manner, as well as the expression levels of iNOS and COX-2. The productions of TNF-alpha and IL-6 were also significantly reduced at the higher dose of 400 mu g/ml. Meanwhile, the expression levels of P65, p-P65, p-MEK and p-I kappa B-alpha were inhibited dose-dependently. The nuclear translocation of P65 was partially prevented by the extract, which explained the inhibition of NF-kappa B pathway. In addition, three reported flavonoids, named luteolin, kaempferol and quercitrin, were identified in the extract, which might be responsible for its anti-inflammatory effects. Above all, our research has partially proved that purslane could be considered as a natural anti-inflammatory agent in further applications.

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