Effect of resveratrol and quercetin supplementation on redox status and inflammation after exercise

Lisa S. McAnulty, Lindsey E. Miller, Peter Hosick, Alan C. Utter, John C. Quindry, Steven R. McAnulty

Research output: Contribution to journalArticleResearchpeer-review

34 Citations (Scopus)

Abstract

Resveratrol and quercetin function as antioxidants and anti-inflammatories in vitro, but these mechanisms have been minimally examined in combination in exercising humans. The purpose of this investigation was to examine supplementation as a countermeasure against oxidative stress and inflammation in response to exercise. Fourteen athletes were randomly assigned, in a double-blind crossover design, to a resveratrol and quercetin combination (RQ) (120 mg resveratrol and 225 mg quercetin for 6 days and 240 mg resveratrol and 450 mg quercetin on day 7 just prior to exercise) or to placebo (P). There was a 1-week washout between trials. Blood was taken at baseline, pre-exercise, immediately after exercise, and 1 h after exercise. Plasma was analyzed for oxidative stress (F2-isoprostanes and protein carbonyls), antioxidant capacity (ferric-reducing ability of plasma (FRAP), Trolox equivalent antioxidant capacity (TEAC), oxygen radical absorptive capacity (ORAC)), and inflammation (cytokine interleukin (IL)-8 and C-reactive protein (CRP)). Statistical design utilizeda2×3ANOVA and Student's t test. Pre-exercise values were not different from baseline for any measure. The postexercise increase in F2-isoprostanes was significantly less (p = 0.039 interaction) with RQ (68%) than with P (137%). Protein carbonyls, FRAP, ORAC, and TEAC significantly increased after exercise but were not affected by treatment. IL-8 and CRP increased significantly immediately after exercise but were not affected by treatment. These data indicate that RQ significantly reduces exercise-induced lipid peroxidation without associated changes in inflammation or plasma antioxidant status.

Original languageEnglish
Pages (from-to)760-765
Number of pages6
JournalApplied Physiology, Nutrition and Metabolism
Volume38
Issue number7
DOIs
StatePublished - 1 Jun 2013

Fingerprint

Quercetin
Oxidation-Reduction
Exercise
Inflammation
Antioxidants
F2-Isoprostanes
Interleukin-8
C-Reactive Protein
Reactive Oxygen Species
Oxidative Stress
resveratrol
Athletes
Cross-Over Studies
Lipid Peroxidation
Proteins
Anti-Inflammatory Agents
Placebos
Cytokines
Students
Therapeutics

Keywords

  • Antioxidants
  • Cytokines
  • Exercise
  • F-isoprostanes
  • Flavonoids
  • Oxidative stress

Cite this

McAnulty, Lisa S. ; Miller, Lindsey E. ; Hosick, Peter ; Utter, Alan C. ; Quindry, John C. ; McAnulty, Steven R. / Effect of resveratrol and quercetin supplementation on redox status and inflammation after exercise. In: Applied Physiology, Nutrition and Metabolism. 2013 ; Vol. 38, No. 7. pp. 760-765.
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abstract = "Resveratrol and quercetin function as antioxidants and anti-inflammatories in vitro, but these mechanisms have been minimally examined in combination in exercising humans. The purpose of this investigation was to examine supplementation as a countermeasure against oxidative stress and inflammation in response to exercise. Fourteen athletes were randomly assigned, in a double-blind crossover design, to a resveratrol and quercetin combination (RQ) (120 mg resveratrol and 225 mg quercetin for 6 days and 240 mg resveratrol and 450 mg quercetin on day 7 just prior to exercise) or to placebo (P). There was a 1-week washout between trials. Blood was taken at baseline, pre-exercise, immediately after exercise, and 1 h after exercise. Plasma was analyzed for oxidative stress (F2-isoprostanes and protein carbonyls), antioxidant capacity (ferric-reducing ability of plasma (FRAP), Trolox equivalent antioxidant capacity (TEAC), oxygen radical absorptive capacity (ORAC)), and inflammation (cytokine interleukin (IL)-8 and C-reactive protein (CRP)). Statistical design utilizeda2×3ANOVA and Student's t test. Pre-exercise values were not different from baseline for any measure. The postexercise increase in F2-isoprostanes was significantly less (p = 0.039 interaction) with RQ (68{\%}) than with P (137{\%}). Protein carbonyls, FRAP, ORAC, and TEAC significantly increased after exercise but were not affected by treatment. IL-8 and CRP increased significantly immediately after exercise but were not affected by treatment. These data indicate that RQ significantly reduces exercise-induced lipid peroxidation without associated changes in inflammation or plasma antioxidant status.",
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Effect of resveratrol and quercetin supplementation on redox status and inflammation after exercise. / McAnulty, Lisa S.; Miller, Lindsey E.; Hosick, Peter; Utter, Alan C.; Quindry, John C.; McAnulty, Steven R.

In: Applied Physiology, Nutrition and Metabolism, Vol. 38, No. 7, 01.06.2013, p. 760-765.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - Effect of resveratrol and quercetin supplementation on redox status and inflammation after exercise

AU - McAnulty, Lisa S.

AU - Miller, Lindsey E.

AU - Hosick, Peter

AU - Utter, Alan C.

AU - Quindry, John C.

AU - McAnulty, Steven R.

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KW - Exercise

KW - F-isoprostanes

KW - Flavonoids

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