Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2486636 | Journal of Pharmaceutical Sciences | 2011 | 5 Pages |
Abstract
Noninvasive near-infrared (NIR) and Raman spectroscopies were applied to provide a fast and efficient insight into the formation of different mannitol solid forms occurring in freeze-dried formulations. Multivariate data analysis clearly showed the formation of δ-mannitol in the presence of protein, whereas β-mannitol was observed in the absence of protein.The multivariate analysis of the NIR spectra also gave an indication for the formation of mannitol hemihydrate in the absence of protein. Spectroscopic techniques in combination with multivariate analysis can be applied for fast screening and identification of excipient solid-state properties in pharmaceutical formulations. © 2011 Wiley-Liss, Inc. and the American Pharmacists Association J Pharm Sci 100:2871-2875, 2011
Keywords
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Authors
Holger Grohganz, Delphine Gildemyn, Erik Skibsted, James M. Flink, Jukka Rantanen,