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Issue 8, 2019
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Multicompartment emulsion droplets for programmed release of hydrophobic cargoes

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Abstract

Delivery systems with multicompartmental structures that allow simultaneous delivery of several cargos are of great interest in both fundamental research and industrial applications. Here, we report a facile and easily scalable approach to fabricate multi-compartmentalized microdroplets for achieving programmed release of hydrophobic cargoes. Well-dispersed nanodroplets stabilized by natural Quillaja saponin served as an effective colloid stabilizer for fabricating microscale emulsion droplets with multicompartment architectures comprising many nanoscale droplets as a shell and single microscale core. Control of the number of nanodroplets allows accurate manipulation of the interface permeability for flexible and controllable release of volatile compounds (e.g., 2,3-butanedione, cis-3-hexen-1-ol, ethyl butyrate, D-limonene). More interestingly, the multicompartment microdroplets exhibited a higher flexibility for programmed release of different volatile compounds, as well as curcumin, during in vitro digestion by introducing cargos into the shell subcompartments or core microcompartment. The promising results highlight the power of this multi-compartmentalized system toward accessing a powerful platform for functional cargo delivery strategies.

Graphical abstract: Multicompartment emulsion droplets for programmed release of hydrophobic cargoes

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Supplementary files

Article information


Submitted
17 Mar 2019
Accepted
12 Jul 2019
First published
13 Jul 2019

Food Funct., 2019,10, 4522-4532
Article type
Paper

Multicompartment emulsion droplets for programmed release of hydrophobic cargoes

X. Chen, X. Ning, Y. Zou, X. Liu and X. Yang, Food Funct., 2019, 10, 4522
DOI: 10.1039/C9FO00558G

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