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Comprehensive Characterization of Linalool-HP-β-Cyclodextrin Inclusion Complexes

Authors: María Isabel Rodríguez-López; María Teresa Mercader-Ros; Carmen Lucas-Abellán; José Antonio Pellicer; Alfonso Pérez-Garrido; Horacio Pérez-Sánchez; María Josefa Yáñez-Gascón; +2 Authors

Comprehensive Characterization of Linalool-HP-β-Cyclodextrin Inclusion Complexes

Abstract

The objective of the present study is to obtain linalool- cyclodextrin (CDs) solid complexes for possible applications in the food industry. For this purpose, a detailed study of linalool complexation was carried out at different pH values, to optimize the type of CDs and reaction medium that support the highest quantity of encapsulated linalool. Once demonstrated the ability of hydroxypropyl-β-cyclodextrin (HP-β-CDs), to form inclusion complexes with linalool (KC = 921 ± 21 L mol−1) and given their greater complexation efficacy (6.788) at neutral pH, HP-β-CDs were selected to produce solid inclusion complexes by using two different energy sources, ultrasounds and microwave irradiation, subsequently spraying the solutions obtained in the Spray Dryer. To provide scientific solidity to the experimental results, the complexes obtained were characterized by using different instrumental techniques in order to confirm the inclusion of linalool in the HP-β-CDs hydrophobic cavity. The linalool solid complexes obtained were characterized by using 1H nuclear magnetic resonance (1H-NMR) and 2D nuclear magnetic resonance (ROSEY), differential scanning calorimetry, thermogravimetry and Fourier transform infrared spectrometry. Moreover, the structure of the complex obtained were also characterized by molecular modeling.

Country
Spain
Keywords

chemical characterization, HP-cyclodextrins, Calorimetry, Differential Scanning, linalool, molecular modeling, Acyclic Monoterpenes, Solid complexes, Organic chemistry, Molecular modeling, HP- -cyclodextrins, Hydrogen-Ion Concentration, Linalool, Article, 2-Hydroxypropyl-beta-cyclodextrin, Molecular Docking Simulation, QD241-441, solid complexes, HP-β-cyclodextrins, Chemical characterization

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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