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Article Publish Status: FREE
Abstract Title:

Antifatigue Activity and Exercise Performance of Phenolic-Rich Extracts from,, and.

Abstract Source:

Nutrients. 2019 Jul 25 ;11(8). Epub 2019 Jul 25. PMID: 31349650

Abstract Author(s):

Yu-Tang Tung, Ming-Fang Wu, Mon-Chien Lee, Jyh-Horng Wu, Chi-Chang Huang, Wen-Ching Huang

Article Affiliation:

Yu-Tang Tung

Abstract:

,, and(CRV) possess a high phenolic compound content with excellent antioxidant activity. Dietary antioxidants can reduce exercise-induced oxidative stress. Consumption of large amounts of phenolic compounds is positively correlated with reduction in exercise-induced muscle damage. Research for natural products to improve exercise capacity, relieve fatigue, and accelerate fatigue alleviation is ongoing. Here, CRV containing a large total phenolic content (13.4 mg/g of CRV) demonstrated antioxidant activity. Ultra-performance liquid chromatography quantification revealed 1.95± 0.02 mg of salidroside in 1 g of CRV. In the current study, CRV were administered to mice for five weeks, and the antifatigue effect of CRV was evaluated using the forelimb grip strength test; weight-loaded swimming test; and measurement of fatigue-related biochemical indicators, such as blood lactate, ammonia, glucose, blood urea nitrogen (BUN), and creatine kinase (CK) activity; and muscle and liver glycogen content. The results indicated that in CRV-treated mice, the forelimb grip strength significantly increased; weight-loaded swimming time prolonged; their lactate, ammonia, BUN, and CKactivity decreased, and muscle and liver glucose and glycogen content increased compared with the vehicle group. Thus, CRV have antifatigue activity and can increase exercise tolerance.

Study Type : Animal Study

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