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[Preparation of Oenothera biennis Oil Solid Lipid Nanoparticles Based on Microemulsion Technique]
Objective:
To study the preparation of Oenothera biennis oil solid lipid nanoparticles and its quality evaluation.
Methods:
The solid lipid nanoparticles were prepared by microemulsion technique. The optimum condition was performed based on the orthogonal design to examine the entrapment efficiency, the mean diameter of the particles and so on.
Results:
The optimal preparation of Oenothera biennis oil solid lipid nanoparticles was as follows: Oenothera biennis dosage 300 mg, glycerol monostearate-Oenothera biennis (2: 3), Oenothera biennis -RH/40/PEG-400 (1: 2), RH-40/PEG-400 (1: 2). The resulting nanoparticles average encapsulation efficiency was (89.89 ± 0.71)%, the average particle size was 44.43 ± 0.08 nm, and the Zeta potential was 64.72 ± 1.24 mV.
Conclusion:
The preparation process is simple, stable and feasible.
