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White tea modulates antioxidant defense of endurance-trained rats.

ABSTRACT: The interest in nutritional strategies that may counteract the deleterious oxidative effects induced by strenuous exercises is remarkable. Herein, the impact of white tea (Camellia sinensis) (WT), a polyphenol-rich beverage, on antioxidant status in endurance-trained rats after one session of exhaustive exercise were evaluated. Male Wistar rats were divided into groups, which received: control groups - water, and testing groups - WT1 (0.25%; w/v) or WT2 (0.5%; w/v). Drinks were consumed, ad libitum, for 5 or 10 weeks, concomitantly with the running training. Exhaustive running tests were applied before and after the experimental periods. WT intake increased the serum antioxidant capacity of rats in a dose-dependent manner (P < 0.001), which was unaccompanied by the activity of endogenous antioxidant enzymes SOD, GPx, and GR, and GSH content. Inflammatory markers in serum [IL-1β (P = 0.004) and IL-6 (P = 0.001)] could be downregulated by tea intake. In liver tissue, lower levels of lipid oxidation (P < 0.05) and improved antioxidant defenses (SOD, GPx, GR, and GSH, P < 0.05) were related to the consumption of WT in both doses, supporting protective effects in this responsible metabolic organ. In conclusion, long-term consumption of WT could be a promising adjuvant to exercise-stress management, emphasizing its ability to regulate antioxidant responses and prevent oxidative tissue damage.

SUBMITTER: Berilli P

PROVIDER: S-EPMC9253650 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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White tea modulates antioxidant defense of endurance-trained rats.

Berilli Patrícia P Fanaro Gustavo Bernardes GB Santos Jéssica Piva JP Reyes Reyes Felix Guillermo FG Iglesias Amadeu Hoshi AH Reis Marcella M Cazarin Cínthia Baú Betim CBB Maróstica Junior Mário Roberto MR

Current research in physiology 20220618

The interest in nutritional strategies that may counteract the deleterious oxidative effects induced by strenuous exercises is remarkable. Herein, the impact of white tea (<i>Camellia sinensis</i>) (WT), a polyphenol-rich beverage, on antioxidant status in endurance-trained rats after one session of exhaustive exercise were evaluated. Male Wistar rats were divided into groups, which received: control groups - water, and testing groups - WT1 (0.25%; w/v) or WT2 (0.5%; w/v). Drinks were consumed, ...[more]

PMID: 35800140

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White tea modulates antioxidant defense of endurance-trained rats.

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White tea modulates antioxidant defense of endurance-trained rats.

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