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Development of curcumin nanocrystal: physical aspects
Heni Rachmawati1, Loaye Al Shaal, Rainer H Müller
1Pharmaceutics Research Group, School of Pharmacy, Bandung Institute of Technology, Bandung, Indonesia. hrachma@yahoo.com
Journal of Pharmaceutical Sciences
|October 11, 2012
Summary
Curcumin nanoparticles were created using high-pressure homogenization to enhance solubility and stability. Polyvinyl pyrrolidone (PVP) proved most effective in stabilizing these curcumin nanoparticles.
Area of Science:
- Pharmaceutical Nanotechnology
- Natural Product Chemistry
- Materials Science
Background:
- Curcumin, a phytoconstituent from Curcuma longa, exhibits poor aqueous solubility and instability in neutral/alkaline conditions.
- These limitations restrict curcumin's therapeutic applications.
- Developing stable, soluble curcumin formulations is crucial for bioavailability enhancement.
Purpose of the Study:
- To prepare and characterize curcumin nanocrystals using high-pressure homogenization.
- To evaluate the efficacy of various stabilizers in improving curcumin solubility and nanoparticle stability.
- To identify the optimal stabilizer for curcumin nanoparticle formulation.
Main Methods:
- Curcumin nanocrystals were synthesized via high-pressure homogenization.
- Five stabilizers were investigated: polyvinyl alcohol (PVA), polyvinyl pyrrolidone (PVP), d-α-tocopherol polyethylene glycol 1000 succinate (TPGS), sodium dodecyl sulfate (SDS), and carboxymethylcellulose sodium salt.
- Nanoparticles were characterized for size, surface charge, morphology, thermal properties, and crystallinity. Stability was assessed at 4°C and room temperature.
Main Results:
- PVA, PVP, TPGS, and SDS successfully produced curcumin nanoparticles in the 500-700 nm range.
- PVP demonstrated the highest efficiency in stabilizing the curcumin nanosuspension.
- PVA, PVP, and TPGS exhibited comparable performance in maintaining nanosuspension stability.
Conclusions:
- Curcumin nanocrystals prepared by high-pressure homogenization offer improved solubility.
- Polyvinyl pyrrolidone (PVP) is the most effective stabilizer for curcumin nanoparticles.
- Developed curcumin nanoparticles show significant potential for enhancing curcumin bioavailability.
