Many diseases and infections are becoming antibiotic resistant. The research and development of new drugs are integral to overcoming this issue. Coumarin possesses inherent antimicrobial properties. Bacteria use a process called quorum sensing to coordinate gene expression in the most efficient way, allowing them to rapidly adapt to conditions that would otherwise destroy them. Recent studies show coumarin can block quorum sensing, preventing bacteria from surviving harsh environments. Coumarin may not only assist with human infections but could also stop food spoilage and infections in aquaculture.

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