Paper Title:
Characterization, Physical Stability, and Dissolution Behavior of Naringenin / Mannitol Solid Dispersions Prepared by Solvent Evaporation Method with Three Drying Methods
  Abstract

Solid dispersions (SD) were prepared with naringenin and mannitol by the solvent evaporation method with three drying methods (vacuum drying, VD; microwave-vacuum drying, MVD; and spray drying, SPD). The SD was characterized by Differential Scanning Calorimetry (DSC), Powder X-ray Diffractometry (PXRD), Scanning Electronic Microscope (SEM), and Fourier Transform Infrared Spectroscopy (FT-IR). In vitro dissolution of naringenin and physical stability was investigated, and the energy consumption of different processing methods was measured. The results showed that the vitro dissolution rate and extent of naringenin was significantly improved by SD prepared with different drying methods compared to that of the pure drug and physical mixture (PM), and the dissolution rate of SD-SPD and SD-MVD was much higher than the SD-VD. The results of FT-IR showed that naringenin is possibly interacted with mannitol via intermolecular hydrogen bond; The PXRD showed that the crystallinity of the SD prepared with three drying methods was reduced sharply as compared with pure naringenin and PM. There results showed that the physical state of SD-MVD was more stable than SD-SPD and SD-VD that stored in the 40 °C/75% RH chamber in three month. Compared with other drying methods, the MVD method can save time and energy. These results suggest that MVD is feasible to replace the traditional time-consuming and low efficiency drying procedure for preparation of solid dispersions.

  Info
Periodical
Advanced Materials Research (Volumes 236-238)
Edited by
Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao
Pages
2264-2272
DOI
10.4028/www.scientific.net/AMR.236-238.2264
Citation
G. F. Wang, C. L. Dai, Z. G. Liao, G. W. Zhao, X. L. Liang, M. Yang, S. J. Zhong, N. Zhang, "Characterization, Physical Stability, and Dissolution Behavior of Naringenin / Mannitol Solid Dispersions Prepared by Solvent Evaporation Method with Three Drying Methods", Advanced Materials Research, Vols. 236-238, pp. 2264-2272, 2011
Online since
May 2011
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Price
$32.00
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