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Updated: Sep 8, 2025

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs
Published on: July 27, 2022
Development and optimization of oral nanoemulsion of rutin for enhancing its dissolution rate, permeability, and oral
1Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia.
Abstract:
Rutin-loaded nanoemulsion (NE-RU) formulation is the core research work in this report. Labrafil® M 1944 CS was used as the oil phase, Tween 80 as the surfactant, and Transcutol P as the co-surfactant in the preparation of nanoemulsion. By utilizing a three-level central composite design (CCD), the composition was optimized. The optimized formulation showed a droplet size of 98.53 ± 3.22 nm, zeta potential -46.70 ± 4.78 mV, and drug loading 92.34 ± 3.87%. The results of dissolution, permeability, and oral bioavailability showed about 25.55 folds, 1.98 folds, and 33.68 folds, respectively, in the case of NE-RU as compared to its naïve form. The response of fresh and aged NE was non-significantly different in terms of particle size, zeta potential, and drug loading, indicating that the formulation was stable. The successful development of NE-RU with an improved bioavailability profile suggested that this formulation might be used to examine the pharmacodynamics of oxidative stress-related metabolic disorders.
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