title: Resveratrol protects against physical fatigue and improves exercise performance in mice.
abstract: Resveratrol (RES) is a well-known phytocompound and food component which has antioxidative and multifunctional bioactivities. However, there is limited evidence for the effects of RES on physical fatigue and exercise performance. The purpose of this study was to evaluate the potential beneficial effects of trans-RES on fatigue and ergogenic functions following physiological challenge. Male ICR mice from four groups (n = 8 per group) were orally administered RES for 21 days at 0, 25, 50, and 125 mg/kg/day, which were respectively designated the vehicle, RES-25, RES-50, and RES-125 groups. The anti-fatigue activity and exercise performance were evaluated using forelimb grip strength, exhaustive swimming time, and levels of serum lactate, ammonia, glucose, and creatine kinase (CK) after a 15-min swimming exercise. The exhaustive swimming time of the RES-25 group (24.72 ± 7.35 min) was significantly (p = 0.0179) longer than that of vehicle group (10.83 ± 1.15 min). A trend analysis revealed that RES treatments increased the grip strength. RES supplementation also produced dose-dependent decreases in serum lactate and ammonia levels and CK activity and also an increase in glucose levels in dose-dependent manners after the 15-min swimming test. The mechanism was related to the increased energy utilization (as blood glucose), and decreased serum levels of lactate, ammonia, and CK. Therefore, RES could be a potential agent with an anti-fatigue pharmacological effect.
authors.affiliation: Graduate Institute of Sports Science, College of Exercise and Health Sciences, National Taiwan Sport University, Taoyuan 33301, Taiwan. kevinkan@tmu.edu.tw.
authors.forename: Ruei-Er
authors.initials: RE
authors.lastname: Wu
authors.forename: Wen-Ching
authors.initials: WC
authors.lastname: Huang
authors.forename: Chen-Chung
authors.initials: CC
authors.lastname: Liao
authors.forename: Yu-Kai
authors.initials: YK
authors.lastname: Chang
authors.forename: Nai-Wen
authors.initials: NW
authors.lastname: Kan
authors.forename: Chi-Chang
authors.initials: CC
authors.lastname: Huang
mesh_terms: D000641:Ammonia / Q000097:blood; D000818:Animals; D000975:Antioxidants / Q000494:pharmacology*; D001786:Blood Glucose / Q000187:drug effects; D001835:Body Weight / Q000187:drug effects; D003402:Creatine Kinase / Q000097:blood; D019587:Dietary Supplements; D005221:Fatigue / Q000517:prevention & control*; D006003:Glycogen / Q000378:metabolism; D007668:Kidney / Q000187:drug effects / Q000378:metabolism; D019344:Lactic Acid / Q000097:blood; D008099:Liver / Q000187:drug effects / Q000378:metabolism; D008297:Male; D051379:Mice; D018482:Muscle, Skeletal / Q000187:drug effects / Q000378:metabolism; D010805:Physical Conditioning, Animal; D000077185:Resveratrol; D013267:Stilbenes / Q000494:pharmacology*; D013550:Swimming
chemical_list: D000975:Antioxidants; D001786:Blood Glucose; D013267:Stilbenes; D019344:Lactic Acid; D000641:Ammonia; D006003:Glycogen; D003402:Creatine Kinase; D000077185:Resveratrol