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Calister E. Ugwu

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Open access Jul 2026

Preparation and physicochemical characterization of chitosan–sodium tripolyphosphate nanoparticles encapsulating methanol Rosmarinus officinalis extract for controlled bioactive delivery

Rosmarinus officinalis exhibits significant antioxidant activity, though its poor bioavailability limits its practical use. In this study, R. officinalis was extracted with methanol and encapsulated in chitosan–sodium tripolyphosphate nanoparticles (RCSN) at ratios of 1:0, 1:1, 1:2, and 1:3 (RCSN1–RCSN4) to improve eff...

Calister E. Ugwu, Emmanuel C. Eze · 0 citations

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