Research and Development Analysis on the Antibacterial Activity of Chinese Medicinal Materials
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1.Jining Research Institute for Food and Drug Inspection and Testing, Shandong Jining 272100, China; 2. National Institutes for Food and Drug Control, Beijing 102629, China; 3.Jilin Normal University College of Life Sciences, Jilin Siping 136000, China
Through a study on the microbial limit test method suitability testing of traditional Chinese medicine (TCM) preparations with effects such as promoting blood circulation and resolving blood stasis, nourishing blood and replenishing qi, and dredging meridians and activating collaterals—used in treating cardiovascular diseases like coronary heart disease and hyperlipidemia—it was discovered that some preparations exhibit strong antimicrobial activity. Notably, TCM formulations with heat-clearing and detoxifying properties commonly contain herbs such as Lonicerae Japonicae Flos, Forsythiae Fructus, Scutellariae Radix,TaraxaciHerba, Isatidis Folium, and Isatidis Radix which are widely recognized for their significant antibacterial and anti-inflammatory effects. In this study, 16 locally sourced TCM preparations with the aforementioned cardiovascular therapeutic effects were screened for microbial limit testing, all demonstrating inhibitory activity against microorganisms. By analyzing the herbal compositions of these preparations and reviewing extensive literature, 20 herbal components were identified to possess antibacterial properties, with certain constituents exhibiting particularly potent bacteriostatic or bactericidal effects. These findings highlight that the antimicrobial activity of TCM preparations is primarily attributed to their bioactive herbal constituents. This research provides valuable insights for the development, formulation, and quality control of pharmaceutical products.