Antioxidant properties and efficacies of synthesized alkyl caffeates, ferulates, and coumarates

Moltke Sorensen Ann-Dirit, Durand Erwann, Laguerre Mickaël, Bayrasy Christelle, Lecomte Jérôme, Villeneuve Pierre, Jacobsen Charlotte. 2014. Antioxidant properties and efficacies of synthesized alkyl caffeates, ferulates, and coumarates. Journal of Agricultural and Food Chemistry, 62 (52) : pp. 1253-12562.

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Quartile : Outlier, Sujet : AGRICULTURE, MULTIDISCIPLINARY / Quartile : Q1, Sujet : FOOD SCIENCE & TECHNOLOGY / Quartile : Q1, Sujet : CHEMISTRY, APPLIED

Abstract : Caffeic, ferulic, and coumaric acids were lipophilized with saturated fatty alcohols (C1?C20). The antioxidant properties of these hydroxycinnamic acids and their alkyl esters were evaluated in various assays. Furthermore, the antioxidant efficiency of the compounds was evaluated in a simple o/w microemulsion using the conjugated autoxidizable triene (CAT) assay. All evaluated phenolipids had radical scavenging, reducing power, and metal chelating properties. Only caffeic acid and caffeates were able to form a complex with iron via their catechol group in the phenolic ring. In the o/w emulsion, the medium chain phenolipids of the three homologues series were most efficient. The antioxidant properties and efficacies were dependent upon functional groups substituted to the ring structure and were in the following order: caffeic acid and caffeates > ferulic acid and ferulates > coumaric acid and coumarates. Moreover, the results demonstrated that the test system has an impact on the antioxidative properties measured. (Résumé d'auteur)

Mots-clés Agrovoc : Antioxydant, Acide caféique, Acide férulique, Acide coumarique, Polyphénol, Composé phénolique, Coumarine, Lipide, Valeur nutritive, Radical libre, Synthèse chimique, Technologie alimentaire, Réaction chimique, Structure chimique

Mots-clés complémentaires : Lipophilisation

Classification Agris : Q04 - Food composition
Q02 - Food processing and preservation

Champ stratégique Cirad : Axe 3 (2014-2018) - Alimentation durable

Auteurs et affiliations

  • Moltke Sorensen Ann-Dirit, Technical University of Denmark (DNK)
  • Durand Erwann, CIRAD-PERSYST-UMR IATE (FRA) ORCID: 0000-0002-0306-8081
  • Laguerre Mickaël, University of Massachusetts (USA)
  • Bayrasy Christelle, CIRAD-PERSYST-UMR IATE (FRA)
  • Lecomte Jérôme, CIRAD-PERSYST-UMR IATE (FRA)
  • Villeneuve Pierre, CIRAD-PERSYST-UMR IATE (FRA) ORCID: 0000-0003-1685-1494
  • Jacobsen Charlotte, Technical University of Denmark (DNK)

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