RT Journal Article T1 Plasma Non-Enzymatic Antioxidant Capacity (NEAC) in Relation to Dietary NEAC, Nutrient Antioxidants and Inflammation-Related Biomarkers A1 Carrión-García, Cayetano Javier A1 Guerra-Hernández, Eduardo Jesús A1 García-Villanova, Belén A1 Serafini, Mauro A1 Sanchez-Perez, Maria-Jose A1 Amiano, Pilar A1 Molina-Montes, Esther K1 Total antioxidant capacity K1 Dietary antioxidants K1 Antioxidant status K1 Oxidative stress K1 Inflammatory markers K1 Nutrients K1 Diet K1 Neoplasms K1 Antioxidantes K1 Estrés oxidativo K1 Nutrientes K1 Dieta K1 Neoplasias AB (1) Background: Little is known about the interlinkages between dietary and plasma non-enzymatic antioxidant capacity (D-NEAC and P-NEAC, respectively) and the body's antioxidant and inflammation response. Our aim was to explore these associations in 210 participants from two Spanish European Prospective Investigation into Cancer and Nutrition (EPIC) centers. (2) Methods: D-NEAC was estimated using published NEAC values in food. P-NEAC and total polyphenols (TP) were quantified by FRAP (ferric-reducing antioxidant power), TRAP (total radical-trapping antioxidant parameter), TEAC-ABTS (trolox equivalent antioxidant capacity - Azino Bis Thiazoline Sulfonic), ORAC (oxygen radical absorbance capacity) and Folin-Ciocalteu assays. Nutrient antioxidants (carotenes, α-tocopherol, ascorbic acid, retinol, uric acid, Q9 and Q10 coenzymes) and inflammation markers (IL-6, IL-8, CRP, TNF-α, PAI-I, resistin and adiponectin) were also analyzed. Spearman correlation and linear regression analyses were performed in association analyses. Analyses were stratified by covariates and groups were defined using cluster analysis. (3) Results: P-FRAP was correlated with D-NEAC, and significantly associated with P-NEAC in multivariate adjusted models. P-FRAP levels were also significantly associated with plasma antioxidants (log2 scale: TP β = 0.26; ascorbic acid β = 0.03; retinol β = 0.08; α-tocopherol β = 0.05; carotenes β = 0.02; Q10 β = 0.06; uric acid β = 0.25), though not with inflammation-related biomarkers. Different profiles of individuals with varying levels of P-NEAC and biomarkers were found. (4) Conclusions: P-NEAC levels were to some extent associated with D-NEAC and plasma antioxidants, yet not associated with inflammation response. PB MDPI YR 2020 FD 2020-04-05 LK http://hdl.handle.net/10668/4152 UL http://hdl.handle.net/10668/4152 LA en NO Carrión-García CJ, Guerra-Hernández EJ, García-Villanova B, Serafini M, Sánchez MJ, Amiano P, et al. Plasma Non-Enzymatic Antioxidant Capacity (NEAC) in Relation to Dietary NEAC, Nutrient Antioxidants and Inflammation-Related Biomarkers. Antioxidants. 2020 Apr 5;9(4):301 DS RISalud RD Apr 7, 2025