Article (Scientific journals)
Preparation of New Glycerol-Based Dendrimers and Studies on Their Behavior toward Essential Oil Encapsulation
Maes, Chloé; Menot, Bérengère; Hayouni, Safa et al.
2022In ACS Omega, 7, p. 10277-10291
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Keywords :
General Chemical Engineering; General Chemistry
Abstract :
[en] Two new families of glycerol-based dendrimers (glyceroladendrimers (GADs) and glyceroclickdendrimers (GCDs)) have been synthesized. Three generations have been isolated for each family with good yields and were fully analyzed. The encapsulation of essential oils (citronella and cinnamon) in GADs, GCDs, and also in previously described glycerodendrimers GD-PAMAMs and GD-PPIs has been studied by dynamic-headspace gas chromatography coupled to mass spectrometry. The retention rates obtained were from −35.8 to 26.65% for citronella essential oil and from 2.14 to 38.84% for the cinnamon essential oil. In addition, the best results were obtained with GD-PAMAMs and GD-PPIs of higher generation. The interaction study between essential oils or more precisely their major components have been performed through NMR spectroscopy (1 H NMR and DOSY NMR). No direct interactions between dendrimers and essential oils have been observed, but a surprising behavior of compression of the dendrimer in stable emulsions was observed. Indeed, the hydrodynamic radius of GD-PPI-3 has been reduced in the presence of cinnamon essential oil.
Disciplines :
Chemistry
Agriculture & agronomy
Author, co-author :
Maes, Chloé ;  Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes ; UMR CNRS 7312, Université Reims-Champagne-Ardenne, Institut de Chimie Moléculaire de Reims, UFR Sciences, BP 1039 boîte 44, 51687 Reims Cedex 2, France
Menot, Bérengère;  UMR CNRS 7312, Université Reims-Champagne-Ardenne, Institut de Chimie Moléculaire de Reims, UFR Sciences, BP 1039 boîte 44, 51687 Reims Cedex 2, France
Hayouni, Safa;  UMR CNRS 7312, Université Reims-Champagne-Ardenne, Institut de Chimie Moléculaire de Reims, UFR Sciences, BP 1039 boîte 44, 51687 Reims Cedex 2, France
Martinez, Agathe;  UMR CNRS 7312, Université Reims-Champagne-Ardenne, Institut de Chimie Moléculaire de Reims, UFR Sciences, BP 1039 boîte 44, 51687 Reims Cedex 2, France
Fauconnier, Marie-Laure  ;  Université de Liège - ULiège > Département GxABT
Bouquillon, Sandrine ;  UMR CNRS 7312, Université Reims-Champagne-Ardenne, Institut de Chimie Moléculaire de Reims, UFR Sciences, BP 1039 boîte 44, 51687 Reims Cedex 2, France
Language :
English
Title :
Preparation of New Glycerol-Based Dendrimers and Studies on Their Behavior toward Essential Oil Encapsulation
Publication date :
15 March 2022
Journal title :
ACS Omega
eISSN :
2470-1343
Publisher :
American Chemical Society (ACS)
Volume :
7
Pages :
10277-10291
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 March 2022

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