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Preparation and Characterization of a Novel Salicin-Cyclodextrin Complex.

Adina CătaIoana Maria Carmen IenaşcuAdina FrumDaniel UrsuPaula Svera M IanasiCorina OrhaGerlinde RusuAdriana Aurelia Aurelia ChisCarmen Maximiliana Maximiliana DobreaClaudiu MorgovanOana-Raluca Pop
Published in: Pharmaceutics (2024)
Bioactive compounds extracted from plants can provide wide health benefits. However, some molecules have limited applications as pharmaceuticals due to their limited solubility, poor bioavailability, and low stability when exposed to environmental factors. Their integration in formulations that can deliver them to physiological targets while preserving their biological activity can enhance their usage in improving human health. This research provides a delivery system design to enhance the solubility, stability and to mask the bitter taste of salicin. Thus, a novel salicin-β-cyclodextrin complex was prepared and analyzed by X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, FTIR, Raman and UV-Vis spectroscopy. The analytical and computational methods provided clear and distinct evidence for inclusion of salicin within the β-cyclodextrin cavity and brought important findings for the characterization of the inclusion complex. The present study showed that salicin and β-cyclodextrin can form inclusion complexes, both in solution and in solid state, and that the inclusion of salicin in the cavity of β-cyclodextrin leads to the improvement of its solubility and stability. Thus, the study communicates both qualitative and quantitative knowledge about the preparation of a new salicin-β-cyclodextrin inclusion complex suggesting its potential applications in pharmaceutical industry and medical sciences, as formulations with better compliance for the patient, with increased bioavailability, and easier control of dosage.
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