1. A novel solubility-enhanced curcumin formulation showing stability and maintenance of anticancer activity.
- Author
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Zhang, Fang, Koh, Gar Yee, Jeansonne, Duane P., Hollingsworth, Javoris, Russo, Paul S., Vicente, Graca, Stout, Rhett W., and Liu, Zhijun
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DRUG solubility , *CANCER treatment , *HEPTANE , *ANTINEOPLASTIC agents , *DRUG bioavailability , *LIGHT scattering , *TRANSMISSION electron microscopy , *CANCER cells - Abstract
Curcumin (CUR) is an active food compound, but its insolubility and instability in water contributes to low bioavailability. In this study, the solubility of CUR was enhanced by utilizing the solubilizing properties of rubusoside (RUB). The solubility of CUR in water increased linearly from 61 μg/mL to 2.318 mg/mL in the presence of RUB ranging from 1% to 10% (w/v). Dynamic light scattering and transmission electron microscopy studies found that CUR and RUB formed CUR-RUB nanoparticle (∼8 nm) complexes. The RUB-solubilized CUR was stable in physiological conditions and did not precipitate when diluted or degrade when spray-dried to a completely reconstitutable powder. Furthermore, cell viability assays demonstrated the efficacy of RUB-solubilized CUR against human colon, breast, and pancreatic cancer cell lines. The development of this new solubilized, stable, and biologically active CUR formulation lays the foundation for future bioavailability improvement. © 2011 Wiley-Liss, Inc. and the American Pharmacists Association J Pharm Sci 100:2778-2789, 2011 [ABSTRACT FROM AUTHOR]
- Published
- 2011
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