GSTP1 and gastric cancer: Although there are no interaction effects between dietary ORAC intake and GSTP1 rs1871042 polymorphism on gastric cancer, a high intake of ORAC significantly reduced the risk of gastric cancer in patients homozygous for CC at rs1871042 after adjusting for potential confounding factors (OR, 95% CI: H-ORAC = 0.63, 0.44–0.91; L-ORAC = 0.60, 0.42–0.87; TPs = 0.68, 0.47-0.99).