The impact of encapsulating carvacrol in chitosan-albumin based core-shell nano-carriers (NCs) on its stability and bioaccessibility was determined under simulated digestion conditions. These NCs consisted of chitosan (C) core enclosed by bovine serum albumin (BSA) shell. The mean particle size ranged from 52.4 ± 10 nm to 203 ± 6 nm and zeta-potential from + 21 ± 3.6 to -18 ± 2.7 mV. The size and charge were significantly modified after the protein-shell formation around the polysaccharide-core. Core-shell NCs were more stable, with less aggregation under simulated gastrointestinal conditions than C-NCs, presumably due to greater steric repulsion. Likewise, core-shell NCs were observed relatively more stabilized in the intestinal phase than gastric phase. The bioaccessibility of carvacrol was enhanced significantly when it was encapsulated in the core-shell NCs. These findings imply that C-BSA based core-shell NCs might be an efficient means of encapsulating, protecting and delivering hydrophobic bioactive compounds for applications in functional foods.
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http://dx.doi.org/10.1016/j.foodchem.2021.129505 | DOI Listing |
Inorg Chem
December 2024
School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, Anhui, P. R. China.
Inorg Chem
December 2024
College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, PR China.
Nanoscale
January 2025
Department of Chemistry, National Institute of Technology Durgapur, Mahatma Gandhi Avenue, Durgapur 713209, India.
The reported copper nanoclusters (Cu NCs) of either Cu or Cu or mixed valence (MV) Cu/Cu or Cu/Cu characters are found to be stabilized with a discrete set of ligand donors; hence, analogous Cu NCs with a common architecture supported by the same or nearly the same donor set that exhibit different MV states of Cu, such as Cu/Cu and Cu/Cu, are unknown. Such a series of highest nuclearity copper clusters supported by aromatic thiol-S donor ligands, namely [(L4)CuI15Cu(μ-S)](PF) (1), [(L4)CuI15Cu(μ-S)]ClO·8CH (2) and [(L4)CuI15Cu(DMF)](PF)·CHOH·2CH (3), where L = 2-((3-X-thiophen)-(2-yl-methylene)amino)-4-(trifluoromethyl)benzenethiol (X = H/Me), have been synthesized and their electronic structural properties have been examined and reported herein. The Cu NCs, 1 and 2, feature a central sulfido-S (S) bridged tetracopper SCu core inside a sphere-shaped CuS truncated octahedron.
View Article and Find Full Text PDFAll-inorganic lead halide perovskite nanocrystals (NCs) have excellent optoelectronic properties and promising applications. Improving the stability of inorganic halide NCs and optimizing their photoluminescence quantum yields (PLQY) has become an urgent task. Constructing core-shell structures is an effective method to improve the environmental stability and PLQY, however, realizing core-shell structured perovskite NCs with good dispersion and multiple perovskites encapsulated within the shell material remains challenging.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
February 2025
Hainan Engineering Research Center of Tropical Ocean Advanced Opto-electrical Functional Materials, Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Hainan Normal University, Haikou 571158, China; College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China. Electronic address:
In this study, a core-shell structured bimetallic nano-cube, Au@Ag NCs, was prepared by seed-mediated growth procedure. The array structure of Au@Ag NCs was achieved at the interface through the autonomous assembly technique at the three-phase boundary. Employing polydimethylsiloxane (PDMS) as a flexible carrier, the array structure was effortlessly transferred to the PDMS membrane, bypassing the need for rigid substrates through a simple "pasting" method.
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