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Design and advanced characterization of quercetin-loaded nano-liposomes prepared by high-pressure homogenization.


ABSTRACT: Quercetin-loaded nano-liposomes were prepared by high-pressure homogenization (HPH) at different pressures (up to 150 MPa) and number of passes (up to 3) to define the best processing conditions allowing the lowest particle size and the highest encapsulation efficiency (EE). The process at 150 MPa for 1 pass was the best, producing quercetin-loaded liposomes with the lowest particle size and 42% EE. Advanced techniques (multi-detector asymmetrical-flow field flow fractionation and analytical ultracentrifugation combined with transmission electron microscopy) were further used for the characterization of the liposomes which were oblong in shape (ca. 30 nm). Results highlight the need for several techniques to study nano-sized, polydisperse samples. The potential of quercetin-loaded liposomes against colon cancer cells was demonstrated. Results prove that HPH is an efficient and sustainable method for liposome preparation and highlight the remarkable role of process optimisation as well as the powerfulness of advanced methodologies for the characterisation of nano-structures.

SUBMITTER: Melchior S 

PROVIDER: S-EPMC10410694 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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Design and advanced characterization of quercetin-loaded nano-liposomes prepared by high-pressure homogenization.

Melchior Sofia S   Codrich Marta M   Gorassini Andrea A   Mehn Dora D   Ponti Jessica J   Verardo Giancarlo G   Tell Gianluca G   Calzolai Luigi L   Calligaris Sonia S  

Food chemistry 20230622


Quercetin-loaded nano-liposomes were prepared by high-pressure homogenization (HPH) at different pressures (up to 150 MPa) and number of passes (up to 3) to define the best processing conditions allowing the lowest particle size and the highest encapsulation efficiency (EE). The process at 150 MPa for 1 pass was the best, producing quercetin-loaded liposomes with the lowest particle size and 42% EE. Advanced techniques (multi-detector asymmetrical-flow field flow fractionation and analytical ult  ...[more]

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