Antibacterial and Antifungal Activities of Some Phenolic Metabolites Isolated from the Lichenized Ascomycete Ramalina lacera

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Abstract
The water-ethanol extract of the lichen Ramalina lacera has been evaluated for its chemical constituents, and for its antibacterial and antifungal properties. HPLC and TLC analysis revealed the presence of depsides, depsidones, carbohydrates, and anthracene glycosides. Six phenolic acids have been identified and tested for antibacterial and antifungal activities against ten bacterial and 13 fungal species.