Ethanolic Extract of Vaccinium corymbosum Alleviates Muscle Fatigue in Mice

• Published in: Journal of medicinal food Vol. 23; no. 11; p. 1225
• Main Authors: Kim, Shintae, Park, Jeongjin, Shin, Jinseop, You, Yanghee, Kim, Ok-Kyung, Lee, Jeongmin, Chung, Jin Woong, Shim, Sangin, Kim, Kyungmi, Jun, Woojin
• Format: Journal Article
• Language: English
• Published: United States 01.11.2020
• Subjects: Animals; Blueberry Plants - chemistry; Ethanol; Mice; Muscle Fatigue - drug effects; Muscle, Skeletal - drug effects; Organelle Biogenesis; Physical Conditioning, Animal; Plant Extracts - pharmacology; fatty acid β-oxidation; exercise endurance capacity; mitochondrial biogenesis; muscle fatigue • Vaccinium corymbosum
• ISSN: 1557-7600
• DOI: 10.1089/jmf.2020.4753

The aim of this study was to evaluate the effects of ethanol extracts of (VCE) on exercise-induced fatigue in mice. Mice were randomly divided into three groups; nonexercise control group (CON), exercise control group (Ex-CON), and exercise and VCE supplementation group (Ex-VCE). Compared with Ex-CON, Ex-VCE showed increased endurance exercise capacity on day 21. In Ex-VCE mice, the accumulation of lactate was inhibited and the consumption of fatty acids was enhanced, indicating the delay of muscle fatigue. In addition, VCE supplementation elevated mRNA expression levels of mitochondrial biogenesis-associated genes such as peroxisome proliferator-activated receptor-1 coactivator 1 (PGC-1 ), nuclear respiratory factor (NRF), and mitochondrial transcription factor A (Tfam) and fatty acid -oxidation-associated genes such as carnitine palmitoyltransferase-1 (CPT-1), -hydroxyacyl coenzyme A dehydrogenase ( -HAD), and peroxisome proliferator-activated receptor- (PPAR- ). These results suggest that VCE can potentially prevent muscle fatigue by enhancing mitochondrial biogenesis and fatty acid -oxidation.