Supplementation of a grape seed and grape marc meal extract decreases activities of the oxidative stress-responsive transcription factors NF-κB and Nrf2 in the duodenal mucosa of pigs - Gessner, D K; Fiesel, A; Most, E; Dinges, J; Wen, G; Ringseis, R; Eder, K (Acta Vet Scand, 2013)