期刊
JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY
卷 76, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jddst.2022.103753
关键词
Drug release; Curcumin; Piperine; Amorphous solid dispersion; Hot-melt extrusion
资金
- National Institute of General Medical Sciences (NIGMS) a component of the National Institutes of Health (NIH) [P30GM122733-01A1]
- National Science Foundation [P30GM122733-01A1]
- [1726880]
Curcumin, derived from turmeric, has various biological activities. This study successfully prepared curcumin-piperine solid dispersion using the hot-melt extrusion technique, resulting in significant improvement in the release profile of curcumin.
Curcumin is one of the major ingredients derived from turmeric (Curcuma Longa Linn). For many years, cur -cumin was used in Indian traditional medicine to treat several diseases. It has anti-inflammatory, anti-cancer, and anti-diabetic activities. In addition, curcumin has a low aqueous solubility of 0.00575 mg/mL, which has been associated with its poor release profile. The aim of this study is to improve the release profile of curcumin utilizing the hot-melt extrusion technique (HME) to prepare curcumin-piperine solid dispersion (SD). Three physical mixtures of curcumin, piperine, and Soluplus (R) were prepared with different ratios between the com-positions. Two different extrusion temperatures (130 ? and 140 ?) were applied during the extrusion step. Drug release studies for the pure compounds and the extrudates were performed using the USP apparatus II, and the samples were analyzed using high-performance liquid chromatography (HPLC). Curcumin-piperine solid dispersion was successfully prepared by hot-melt extrusion technology. Differential scanning calorimetry (DSC) results showed the presence of endothermic peaks, one for curcumin at 179 ?, and another for piperine at 132 ?. However, these peaks were not observed in the extrudates thermograms, indicating the solubilization of curcumin and piperine within the polymeric carrier at an amorphous state. The release studies revealed significant improvement in curcumin release profiles for up to 9-folds in the formulations, compared to pure curcumin.
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