Abstract
Geraniol (GO) is a natural acyclic monoterpene derived from herb oils. In the present work, the complexation of GO with β-cyclodextrin (β-CD) was performed using physical mixture (PM), slurry (SC) and paste (PC) procedures and the complexes obtained were evaluated. To prove the formation of complexes in final products, FT-IR, DSC, TG/DTG, Karl Fisher method and SEM were considered. Thermal analysis clearly indicated the formation of complexes by SC and PC methods, but the best results were obtained especially in the case of PC samples GO/β-CD. In the IR spectra the characteristic absorption of β-CD is superposed over the geraniol ones. The new solid phase formed using the slurry and paste procedures had a crystal structure which was different from the original morphology of β-CD.
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