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. Author manuscript; available in PMC: 2020 Oct 5.
Published in final edited form as: Int J Pharm. 2019 Aug 5;569:118596. doi: 10.1016/j.ijpharm.2019.118596

Figure 5.

Figure 5.

Fourier-transform infrared (FTIR) spectra of (+)-xylitol (red), plain, non-formulated OC (orange), OC-X 1:7 SD (black), PM (blue), and the zooming expansion of the four samples fingerprint region (825–1147 cm−1).