Selected Dietary Flavonoids Are Associated with Markers of Inflammation and Endothelial Dysfunction in U.S. Women
Rimm, Eric Bruce::0ab2926c8242f35e5a982e3cf59f4987::600
Mantzoros, Christos S.
Hu, Frank B.
Dam, Rob van
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CitationLandberg, Rikard, Qi Sun, Eric B. Rimm, Aedin Cassidy, Augustin Scalbert, Christos S. Mantzoros, Frank B. Hu, and Rob M. van Dam. 2011. “Selected Dietary Flavonoids Are Associated with Markers of Inflammation and Endothelial Dysfunction in U.S. Women.” The Journal of Nutrition 141 (4): 618–25. https://doi.org/10.3945/jn.110.133843.
AbstractFlavonoids show antiinflammatory effects in vitro and human intervention studies have suggested beneficial effects of flavonoid-rich foods on biomarkers of inflammation and endothelial function. In the present study, we assessed the relationship between flavonoid intake and biomarkers of inflammation and endothelial dysfunction in a cross-sectional study of participants from the Nurses Health Study cohort Intake of 6 flavonoid subclasses (flavonols, flavones, flavanones, flavan-3-ols, anthocyanidins, and polymeric flavonoids) was assessed using a FFQ administered in 1990. Also, The main food sources of these flavonoids were examined. Blood samples were collected in 1989-1990 and plasma C-reactive protein (CRP). IL-6, IL-18, soluble tumor necrosis factor receptor-2 (5TNF-R2), soluble intercellular adhesion molecule-1, soluble vascular adhesion molecule-1 (sVCAM-1), and E-selectin were measured in 1194-1598 women. The multivariate-adjusted geometric mean of plasma IL-8 were lower for women in the highest intake quintile of flavones, flavanones, and total flavonoids compared with those in the lowest quintiles by 9% (Q1: 264 ng/L, Q5: 241 ng/L: P-trend = 0.019), 11% (Q1: 273 ng/L, Q5: 244 ng/L: P-trend = 0.011), and 8% (Q1: 276 ng/L, Q5: 55 ng/L; P-trend = 0.034), respectively. The multivariate-adjusted geometric mean for. women in the highest intake quintile of flavonol compared with those in the lowest quintile was 4% lower for sVCAM-1 (Q01: 578 mu g/L, 05: 557 mu g/L. P-trend = 0.012). Among flavonoid-rich foods, higher intake of grapefruit was significantly associated with lower concentrations of CRP and sTNF-R2. In summary, higher intakes of selected flavonoid subclasses were associated with modestly lower concentrations of inflammatory biomarkers. In particular. flavonoids typically found in citrus fruits were modestly associated with lower plasma IL-18 concentrations. J. Nutr. 141: 618-625, 2011.
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