期刊
FOOD BIOSCIENCE
卷 56, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.fbio.2023.103129
关键词
Schisandra chinensis; Anti-fatigue; Behavioral experiment; Oxidative stress; Energy metabolism
Schisandra chinensis extract (SCE) has significant anti-fatigue effects in mice by prolonging swimming time, increasing levels of hepatic and muscular glycogen, reducing levels of lactic acid, blood urea nitrogen, and malondialdehyde, enhancing activities of antioxidant enzymes, and activating the AMPK/PGC-1 alpha signaling pathway.
Many herbs and plant extracts have traditionally been used to enhance physical endurance and increase vitality. These natural products may contain active compounds such as antioxidants, adaptogens, and neuroprotective agents, which help alleviate fatigue and restore energy, but have not been developed enough as new anti-fatigue nutritional supplements. Schisandra chinensis, also known as Wu Wei Zi, is a medicinal and edible plant native to China. It is rich in various bioactive components and possesses significant pharmacological activities. The current study was designed to investigate the effect of Schisandra chinensis extract (SCE) on fatigue in mice, and further to elucidate its possible underlying mechanism. The results showed that SCE significantly prolonged the swimming time, increased the levels of hepatic glycogen and muscular glycogen, while reducing the levels of lactic acid (LA), blood urea nitrogen (BUN), and malondialdehyde (MDA). Furthermore, it enhanced the activities of glutathione peroxidase (GSH-PX), superoxide dismutase (SOD), and catalase (CAT). Pearson correlation analysis also revealed a strong correlation between the anti-fatigue effects and antioxidant activities of SCE in mice vivo. Western blotting results showed that SCE alleviated fatigue by activating the AMPK/PGC-1 alpha signaling pathway and simultaneously increasing the expression levels of Nrf2, HO-1, and NQO1 proteins in mouse skeletal muscle. Therefore, SCE could be considered as a potential anti-fatigue nutritional supplement in functional foods, beneficial for alleviating exercise-induced fatigue.
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