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This research aims to evaluate the antifungal and antioxidant properties of various macroalgae extracts from southeastern Spain.

May 15, 2026PlantsOpen Access

Screening Antifungal and Antioxidant Activity of Macroalgae from SE Spain Highlights the Invader Rugulopteryx okamurae

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Randomized trial evaluates antifungal and antioxidant activities in macroalgae, suggesting new uses for invasive species.

This research aims to evaluate the antifungal and antioxidant properties of various macroalgae extracts from southeastern Spain.
Evaluated methanol and ethyl acetate extracts of Rugulopteryx okamurae and other macroalgae species.
Assessed antioxidant activity using DPPH radical inhibition method and antifungal activity against Fusarium oxysporum.
Conducted LC–MS/MS analysis to evaluate the metabolite profile of R. okamurae.
Rugulopteryx okamurae showed over 40% DPPH· radical inhibition at 1 mg/mL.
Antifungal activity of R. okamurae was 23.3% and 30.5% inhibition at 10 and 20 mg/well, respectively.
Methanolic extracts of R. okamurae exhibited the highest antifungal effects with a diverse metabolite profile.

Valverde-Urrea et al. (2026) studied this question.

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