Article (Scientific journals)
Use of new glycerol-based dendrimers for essential oils encapsulation: optimization of stirring time and rate using a Plackett-Burman design and a surface response methodology
Maes, Chloé; Brostaux, Yves; Bouquillon, Sandrine et al.
2021In Foods, 10 (2), p. 207
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Keywords :
essential oil; encapsulation; controlled release; biosourced; surface response methodology
Abstract :
[en] Essential oils are used in an increasing number of applications including biopesticides. Their volatility minimizes the risk of residue but can also be a constraint if the release is rapid and uncontrolled. Solutions allowing the encapsulation of essential oils are therefore strongly researched. In this study, essential oils encapsulation was carried out within dendrimers to control their volatility. Indeed, a spontaneous complexation occurs in a solution of dendrimers with essential oils which maintains it longer. Six parameters (temperature, stirring rate, relative concentration, solvent volume, stirring time, and pH) of this reaction has been optimized by two steps: first a screening of the parameters that influence the encapsulation with a Plackett–Burmann design the most followed by an optimization of those ones by a surface response methodology. In this study, two essential oils with herbicide properties were used: the essential oils of Cinnamomum zeylanicum Blume and Cymbopogon winterianus Jowitt; and four biosourced dendrimers: glycerodendrimers derived from polypropylenimine and polyamidoamine, a glyceroclikdendrimer, and a glyceroladendrimer. Meta-analysis of all Plackett–Burman assays determined that rate and stirring time were effective on the retention rate thereby these parameters were used for the surface response methodology part. Each combination gives a different optimum depending on the structure of these molecules.
Disciplines :
Agriculture & agronomy
Chemistry
Author, co-author :
Maes, Chloé ;  Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes
Brostaux, Yves  ;  Université de Liège - ULiège > Département GxABT > Modélisation et développement
Bouquillon, Sandrine
Fauconnier, Marie-Laure  ;  Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes
Language :
English
Title :
Use of new glycerol-based dendrimers for essential oils encapsulation: optimization of stirring time and rate using a Plackett-Burman design and a surface response methodology
Publication date :
20 January 2021
Journal title :
Foods
eISSN :
2304-8158
Publisher :
MDPI AG, Switzerland
Volume :
10
Issue :
2
Pages :
207
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
EOHUB project 600873‐EPP‐1‐2018‐1ES‐EPPKA2‐KA.
Funders :
EACEA - European Education and Culture Executive Agency [BE]
FU - University Foundation [BE]
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since 21 January 2021

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