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Objective: Sesewanua leaves contain alkaloid compounds as antioxidants, and its leaves can be used to formulate SNEDDS dosage forms, which can effectively deliver the medicine. This study intended to determine the variation of surfactant concentration (Tween 80) and cosurfactant (PEG 400) towards pH, viscosity, nano-emulsion duration and characterization using PSA method (particle size and polydispersity index). Methods: This study employed a quasi-experimental method and the independent variables in this study were variations in the concentration of surfactant (Tween 80) and cosurfactant (PEG 400), which consist of 3 formulas, such as SFS 1 (6:3), SFS 2 (7:2), and SFS 3 (8:1). The dependent variables in this study including pH, viscosity, nano-emulsion time, particle size and polydispersity index which utilized One Way Anova Post Hoc LSD (p>0.05) and Tamhane (p |
