text:  HUVEC_dp3.9 (10μg mL-1)+TNF-α_6h_biological rep2 Confluent monolayers of HUVEC exposed to dp3.9 apple procyanidins extract (final concentration in the culture medium, 10 μg mL-1) and dissolved in DMSO for 45 min followed by addition of TNF-α (10 ng mL-1) for 6h. Normal human umbilical vein endothelial cells (HUVEC) under inflammatory conditions induced by cytokine TNF-α