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Cermenda, Riska
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience

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Ultra-High Performance Liquid Chromatography Method Validation for Micro-dissolution Analysis of Ketoconazole in Alginate-Acacia Gum Composite Capsules Lumakso, Fajar Aji; Annisa, Viviane; Cermenda, Riska; Chabib, Lutfi
Journal of Food and Pharmaceutical Sciences Vol 13, No 4 (2025): J.Food.Pharm.Sci
Publisher : Integrated Research and Testing Laboratory (LPPT) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.24078

Abstract

Ketoconazole, a BCS Class 2 antifungal drug, has good absorption but suffers from low solubility and poor bioavailability. To address this, a natural polymer-based matrix of alginate and acacia gum was formulated to enhance dissolution. This study aimed to validate a Ultra High Performance Liquid Chromatography method for analyzing ketoconazole content in micro-dissolution testing of capsule formulations. The method employed a C18 column with a mobile phase of acetonitrile:WFI (0.15% TEA, pH 3.5; 50:50) at 1 mL/min and detection at 265 nm. Validation demonstrated compliance with selectivity, linearity (r = 0.9996), sensitivity (LoD 6.51 µg/mL; LoQ 19.74 µg/mL), accuracy (99.6–101.3%), and precision (<2%, except one interday result at 2.08%). Micro-dissolution testing showed sustained ketoconazole release, exceeding 100% within 240 minutes. Data modeling (performed using DDSolver) indicated comparable fit for the Higuchi (R²_adj = 0.96) and Korsmeyer (R²_adj = 0.93) models, suggesting diffusion-controlled release of ketokonazole. The validated UHPLC method is suitable for micro-dissolution studies, and the alginate-acacia gum formulation effectively modulates drug release.
Ultra-High Performance Liquid Chromatography Method Validation for Micro-dissolution Analysis of Ketoconazole in Alginate-Acacia Gum Composite Capsules Lumakso, Fajar Aji; Annisa, Viviane; Cermenda, Riska; Chabib, Lutfi
Journal of Food and Pharmaceutical Sciences Vol 13, No 4 (2025): J.Food.Pharm.Sci
Publisher : Integrated Research and Testing Laboratory (LPPT) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.24078

Abstract

Ketoconazole, a BCS Class 2 antifungal drug, has good absorption but suffers from low solubility and poor bioavailability. To address this, a natural polymer-based matrix of alginate and acacia gum was formulated to enhance dissolution. This study aimed to validate a Ultra High Performance Liquid Chromatography method for analyzing ketoconazole content in micro-dissolution testing of capsule formulations. The method employed a C18 column with a mobile phase of acetonitrile:WFI (0.15% TEA, pH 3.5; 50:50) at 1 mL/min and detection at 265 nm. Validation demonstrated compliance with selectivity, linearity (r = 0.9996), sensitivity (LoD 6.51 µg/mL; LoQ 19.74 µg/mL), accuracy (99.6–101.3%), and precision (<2%, except one interday result at 2.08%). Micro-dissolution testing showed sustained ketoconazole release, exceeding 100% within 240 minutes. Data modeling (performed using DDSolver) indicated comparable fit for the Higuchi (R²_adj = 0.96) and Korsmeyer (R²_adj = 0.93) models, suggesting diffusion-controlled release of ketokonazole. The validated UHPLC method is suitable for micro-dissolution studies, and the alginate-acacia gum formulation effectively modulates drug release.
Co-Authors Annisa, Viviane Lumakso, Fajar Aji Lutfi Chabib, Lutfi