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Abstract
This study aimed to compare the dietary intake of carotenoids, tocopherols, ascorbic acid, flavonoids, and dietary total antioxidant capacity (dTAC) and to evaluate relationship of dTAC with serum inflammatory biomarkers in patients with gastrointestinal system (GIS) and non-GIS cancer. In total, 104 adult cancer survivors (52 GIS and 52 non-GIS cancer cases) were included. 24-hour dietary recalls were obtained and dTAC was calculated on the basis of oxygen radical absorption capacity (ORAC), Trolox equivalent antioxidant capacity (TEAC), total radical-trapping antioxidant parameter (TRAP), ferric reducing antioxidant potential (FRAP), and vitamin C equivalents (VCE). Serum C-reactive protein (CRP) level, neutrophil-lymphocyte ratio (NLR), and platelet-lymphocyte ratio (PLR) were used as inflammatory biomarkers. Routinely analyzed serum CRP, neutrophil, lymphocyte, and platelet levels every day in hospital biochemistry laboratory were obtained from patients’ file. There was no significant difference between patients with GIS and non-GIS cancer in terms of dietary intake of carotenoids, tocopherols, and flavonoids. While there was no significant difference between groups in terms of the mean dietary ORAC, TEAC, and FRAP, the mean TRAP of patients with GIS cancer was significantly higher than patients with non-GIS cancer. Serum inflammatory markers (CRP and NLR) were found to have an inverse relationship with dTAC.
Acknowledgments
The nutritional status, handgrip strength and several anthropometric measurements, daily energy, macro- and micro-nutrient intakes of the patients were evaluated in a previously published article (See Ref. (Citation18)).
Disclosure Statement
The authors report no conflicts of interest.
Funding
No funding was received for the research.