The Mediterranean red alga Asparagopsis taxiformis has antifungal activity against Aspergillus species


Correspondence: C. Lass-Flörl, Division of Hygiene and Medical Microbiology, Innsbruck, Austria.

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The red algae Asparagopsis taxiformis collected from the Straits of Messina (Italy) were screened for antifungal activity against Aspergillus species. EUCAST methodology was applied and extracts showed antifungal activity against A. fumigatus, A. terreus and A. flavus. The lowest minimum inhibitory concentrations observed were <0.15 mg ml−1 and the highest were >5 mg ml−1 for Aspergillus spp. tested. Agar diffusion assays confirmed antifungal activity of A. taxiformis extracts in Aspergillus species.