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Supramolecular Antioxidant Assemblies of Hyperbranched Polyglycerols and Phenols
Author(s) -
PocovíMartínez Salvador,
KemmerJonas Ulrike,
PérezPrieto Julia,
Frey Holger,
Stiriba SalahEddine
Publication year - 2014
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201400372
Subject(s) - oxygen radical absorbance capacity , supramolecular chemistry , chemistry , antioxidant , phenols , polymer chemistry , supramolecular assembly , organic chemistry , covalent bond , antioxidant capacity , molecule
Supramolecular antioxidant complexes are prepared by the non‐covalent assembly of succinic acid‐modified hyperbranched polyglycerols (PGSAs) and tyramine antioxidant compounds. Using this approach, various supramolecular dendritic polymers based on carboxylic acid‐modified hyperbranched polyglycerol with different molecular weights and different numbers of antioxidant phenols are prepared and characterized by FTIR and NMR spectroscopy as well as via dynamic light scattering (DLS). The local phenolic concentration in this supramolecular architecture plays a key role for their enhanced antioxidant capacity, as shown by oxygen radical absorbance capacity assay (ORAC).