Abstract
Ligusticum chuanxiong Hort (LCH) is a well-known traditional Chinese medicinal herb for treating coronary heart disease (CHD). This study investigated the differential preventive mechanisms of Rhizome Cortex (RC) and Rhizome Pith (RP) of LCH. Solid-phase microextraction combined with comprehensive two-dimensional gas chromatography-tandem mass spectrometry analysis identified 32 differential components, and network pharmacology revealed 11 active ingredients and 191 gene targets in RC, along with 12 active ingredients and 318 gene targets in RP. Primary active ingredients in RC were carotol, epicubenol, fenipentol, and methylisoeugenol acetate, while 3-undecanone, (E)− 5-decen-1-ol acetate, linalyl acetate, and (E)− 2-Methoxy-4-(prop-1-enyl) phenol were dominant in RP. KEGG mapping analysis associated 27 pathways with RC targets and 116 pathways with RP targets. Molecular docking confirmed the efficient activation of corresponding targets by these active ingredients. This study provides valuable insights into the preventive and therapeutic effects of RC and RP in CHD.
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