Journal
FOOD CHEMISTRY
Volume 403, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.134410
Keywords
Rose essential oil; Rosa damascene; 8-Cyclodextrin; Antioxidant activity; Beverage; Nanoparticle
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The volatile and unstable Rosa damascena essential oil (REO) was improved by forming a host-guest complex with beta-cyclodextrin nanoparticles (8-CD). The encapsulated REO showed changed physicochemical characteristics and enhanced antioxidant activity. Additionally, beverages with the addition of 8-CD nanoparticle-loaded REO demonstrated higher overall acceptability.
Rosa damascena essential oil (REO) is volatile and unstable. The host-guest complex of beta-cyclodextrin nanoparticles (8 -CD) with REO was produced to improve REO characteristics. The REO/8-CD complex was characterized by entrapment efficiency, morphology, crystallinity, particle size, thermal stability, and antioxi-dant activity. Additionally, the structure of REO/8-CD was evaluated using Fourier transform infrared spec-troscopy (FT-IR) and nuclear magnetic resonance (NMR). Results confirmed the formation of REO/8-CD in which the REO, as a guest molecule, was entrapped within the 8 -CD as a host molecule. The encapsulated particles showed a spherical shape with an average diameter of 110 nm and no strong agglomerate. The entrapment of REO within 8 -CD led to changes in some physicochemical characteristics and enhancement of the antioxidant activity of REO. Furthermore, beverages with the addition of 8 -CD nanoparticle-loaded REO were produced. The beverage containing 8 -CD nanoparticle-loaded REO form showed significantly higher overall acceptability than samples containing free REO.
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