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Nutrients
Volume 13
Issue 1
10.3390/nu13010115
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Article

Diet Quality Is Associated with Serum Antioxidant Capacity in Women with Breast Cancer: A Cross Sectional Study

by
Luiza K. Reitz
1,
Sheyla de L. Baptista
1,
Elaine da S. Santos
1,
Patrícia F. Hinnig
1,2,
Gabriele Rockenbach
2,
Francilene G. K. Vieira
1,2,
Maria A. A. de Assis
1,
Edson L. da Silva
1,3,
Brunna C. B. Boaventura
1,2 and
Patrícia F. Di Pietro
1,2,*
1
Post Graduate Program in Nutrition, Health Sciences Center, Federal University of Santa Catarina, Florianopolis 88010790, SC, Brazil
2
Department of Nutrition, Health Sciences Center, Federal University of Santa Catarina, Florianopolis 88010790, SC, Brazil
3
Department of Clinical Analyses, Health Sciences Center, Federal University of Santa Catarina, Florianopolis 88010790, SC, Brazil
*
Author to whom correspondence should be addressed.
Nutrients 2021, 13(1), 115; https://doi.org/10.3390/nu13010115
Submission received: 23 October 2020 / Revised: 12 December 2020 / Accepted: 28 December 2020 / Published: 30 December 2020
(This article belongs to the Special Issue Diet, Nutrition, and Breast Cancer)
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Abstract

Oxidative stress produced by adjuvant treatments is associated with cell injury; however, a healthy diet can help mitigate it. The aim of this study is to investigate the association between diet quality and oxidative stress parameters in women subjected to adjuvant treatment for breast cancer. The sample comprised 70 women. Oxidative stress biomarkers and diet quality parameters based on the Brazilian Healthy Eating Index—Revised (BHEI-R)—were evaluated at baseline (p0) and after adjuvant treatment (p1). Ferric reducing antioxidant potential (FRAP) was associated with diet quality at p0. BHEI-R scores were not different between p0 and p1; however, scores from total vegetables, total fruits, milk and dairy products, and meat, eggs and legumes were lower during treatment. On the other hand, lower sodium and saturated fat intake observed at p1 counterbalanced the BHEI-R score. Oxidative stress parameters have increased at p1, but they were not associated with diet quality; thus, changes in component intake were not enough to promote changes in oxidative stress during treatment. It appears that diet can enhance patients’ antioxidant defense before treatment, which could lead to better outcomes in the long term. Further investigations may help to clarify the association between diet and oxidative stress in women with breast cancer.
Keywords: oxidative stress; diet quality; breast cancer; adjuvant treatment oxidative stress; diet quality; breast cancer; adjuvant treatment

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MDPI and ACS Style

Reitz, L.K.; Baptista, S.d.L.; Santos, E.d.S.; Hinnig, P.F.; Rockenbach, G.; Vieira, F.G.K.; de Assis, M.A.A.; da Silva, E.L.; Boaventura, B.C.B.; Pietro, P.F.D. Diet Quality Is Associated with Serum Antioxidant Capacity in Women with Breast Cancer: A Cross Sectional Study. Nutrients 2021, 13, 115. https://doi.org/10.3390/nu13010115

AMA Style

Reitz LK, Baptista SdL, Santos EdS, Hinnig PF, Rockenbach G, Vieira FGK, de Assis MAA, da Silva EL, Boaventura BCB, Pietro PFD. Diet Quality Is Associated with Serum Antioxidant Capacity in Women with Breast Cancer: A Cross Sectional Study. Nutrients. 2021; 13(1):115. https://doi.org/10.3390/nu13010115

Chicago/Turabian Style

Reitz, Luiza K., Sheyla de L. Baptista, Elaine da S. Santos, Patrícia F. Hinnig, Gabriele Rockenbach, Francilene G. K. Vieira, Maria A. A. de Assis, Edson L. da Silva, Brunna C. B. Boaventura, and Patrícia F. Di Pietro. 2021. "Diet Quality Is Associated with Serum Antioxidant Capacity in Women with Breast Cancer: A Cross Sectional Study" Nutrients 13, no. 1: 115. https://doi.org/10.3390/nu13010115

APA Style

Reitz, L. K., Baptista, S. d. L., Santos, E. d. S., Hinnig, P. F., Rockenbach, G., Vieira, F. G. K., de Assis, M. A. A., da Silva, E. L., Boaventura, B. C. B., & Pietro, P. F. D. (2021). Diet Quality Is Associated with Serum Antioxidant Capacity in Women with Breast Cancer: A Cross Sectional Study. Nutrients, 13(1), 115. https://doi.org/10.3390/nu13010115

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