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Metabolomics Study on the Treatment of CFS Model Rats with Schisandra chinensis Polysaccharide

??OBJECTIVE To investigate the therapeutic effects metabolic mechanism of Schisandra chinensis polysaccharide (SCP) on chronic fatigue syndrome (CFS). METHODS CFS rat model was established in a variety of ways such as the bondage, excessive exercise, crowded and noise environment. The Morris water maze test, the open-field test and the tail-suspension test were performed to evaluate the CFS model. The gas chromatography-mass spectrometry (GC-MS) method was conducted to screen the different metabolites in rat urine and analyze the metabolic pathway. RESULTS The body weight of rats were increased and their space exploration and memory ability were strengthened after SCP supplement. The eleven diversity urine metabolites were detected and the involved metabolic pathways were the tricarboxylic acid cycle and the alanine, aspartic and glutamic acid metabolic pathways. CONCLUSION SCP could relieve the chronic fatigue syndrome. The metabolic mechanism is relative to the improvement of SCP on the tricarboxylic acid cycle and the alanine, aspartic and glutamic acid metabolic pathways.