Aims: The aims of this research were to develop and characterize liquid and solid micro emulsifying drug delivery system (L-SMEDDS and S-SMEDDS) containing black seed oil. Study Design: Experimental Research Design (laboratory). Place and Duration of Study: The study was conducted at research laboratory of pharmacy department UNISBA, between August 2018- August 2019. Methodology: The optimization of L-SMEDDS was carried out using various comparison of oil, surfactant, and cosurfactant. All formulations were evaluated for percent transmittance, emulsification time, dispersibility, robustness, and thermodynamic stability. The best formula of L-SMEDSS was evaluated for globule size distribution and converted to S-SMEDDS by spray drying method using aerosil 200 as adsorbent. S-SMEDDS were evaluated for organoleptic, flowability, compressibility, emulsification time, dispersibility, robustness and surface morphology. Results: The best formula of L-SMEDDS contains tween 80 as a surfactant and PEG 400 as cosurfactant (2:1) with a ratio of oil and Smix (2:8). The L-SMEDDS preparation meets the requirement of percent transmittance (95.77%), emulsification time (37.67 seconds), grade A of dispersibility, stable of robustness and thermodynamics study with the average of globule size was 231 nm. S-SMEDDS preparation meets the requirement of the moisture content, flowability, emulsification time, and stable on robustness testing with a spherical shape. Conclusion: L-SMEDDS and S-SMEDDS of black seed oil have been developed and have good physical characteristics and stability.
One strategy to improve oral bioavailability of hydrophobic drugs like black seed oil with formulate them into self nanoemulsifying drug delivery system (SNEDDS). The aim of this study is to develop black seed oil into liquid SNEDDS formulation to enhance oral bioavailability. The optimization of SNEDDS was carried out using various comparison between oil, surfactant and cosurfactant. The formulated SNEDDS were evaluated for transmittance percentage, emulsification time, dispersebility, robustness, thermodynamics stability and globul size determination. The best formulation of SNEDDS obtained from tween 80 as surfactan and PEG 400 as cosurfactant (2:1) with ratio of oil and mix surfactant-cosurfactant 1:8. The formulation of SNEDDS met the requirement of transmittance percentage (97.80%), emulsification time (35.00 second), grade A of dispersibility, stable of robustness and thermodynamic stability tests and the average of globul size was 65.4 nm. The SNEDDS formulation containing black seed oil has good physical characteristic and stability.
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