Restricted accessResearch articleFirst published online 2025-06
Application of Metabolomics and Microbiome Analysis for Revealing the Endogenous Mechanism of Baizhu Xiaozhong San in Postpartum Rats with Spleen-qi Deficiency
Postpartum women are in a state of physical weakness and suffering from fatigue. Metabolic disturbances in the postpartum period may lead to an increased prevalence of postpartum depression, hemorrhage, and obesity, underscoring the importance of prioritizing maternal health. The combination (Baizhu Xiaozhong San, BZXZS) of charred Atractylodis macrocephalae Koidz. (Baizhu, BZ) and charred Fructus Aurantii Immaturus (Zhishi, ZS) has primary applications for invigorating the spleen and promoting diuresis. This study utilized serum/spleen metabolomics in conjunction with 16S rDNA sequencing analysis to investigate the endogenous metabolic alterations and intestinal homeostasis in postpartum rats exhibiting spleen-deficiency syndrome (SDS). The pathological symptoms of postpartum SDS rats in the administration groups were gradually restored, in particular, the symptoms of the BZXZS-H group rats improved significantly. As a result, 32 differential metabolites and 7 correlated metabolic pathways (impact value > 0.1) demonstrated the improvement effect of BZXZS on postpartum SDS rats mostly focusing on disorders of energy, carbohydrate, and lipid metabolism. 16S rDNA gene sequencing indicated that BZXZS had a significantly better regulatory effect on Lactobacillus faecis. The findings suggest that BZXZS exerts a positive impact on the intestinal health and the immune system of postpartum SDS rats through an intricate cascade of interactions with various targets.
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