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. 2024 Aug 31;17(9):1156. doi: 10.3390/ph17091156

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© 2024 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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FTIR spectra of (a) eugenol (red line, liquid film), Soluplus^® (blue line, KBr disk), and eugenol encapsulated in Soluplus^®, sample 15%E-S (black dotted line, KBr disk) and (b) comparison of the FTIR spectra in selected ranges.

FTIR spectra of (a) eugenol (red line, liquid film), Soluplus^® (blue line, KBr disk), and eugenol encapsulated in Soluplus^®, sample 15%E-S (black dotted line, KBr disk) and (b) comparison of the FTIR spectra in selected ranges.