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Titre: Quercus ilex L.: How season, Plant Organ and Extraction Procedure Can Influence Chemistry and Bioactivities
Auteur(s): HADIDI, Lila
Babou, Louiza
Zaidi, Farid
Valentão, Patrícia
Andrade, Paula B
Grosso, Clara
Mots-clés: Q. ilex
HPLC‐DAD
phenolic
DPPH
antioxidant
Date de publication: jan-2017
Editeur: Université de Bouira
Référence bibliographique: Revue :Chemistry & biodiversity ;Volume :14 ,Numéro :1 ,Pages : e 1600187
Résumé: Quercus species have a plethora of applications, either in wine and wood industries, in human and animal nutrition or in human health. In order to improve the knowledge on this genus, the aim of the present study was to correlate, for the first time, the phenolic composition of different Quercus ilex L. plant tissues (leaves in two maturation stages, acorns, teguments and cotyledons) and different extraction procedures with scavenging and anticholinesterase activities. The hydromethanolic and aqueous extracts obtained showed strong radical scavenging activity against DPPH, superoxide anion radical and nitric oxide radical, leaves exhibiting higher total phenolic content and revealing the best antioxidant properties, followed by tegument and acorns. Concerning the phenolic profile, fifteen compounds were identified and quantified by HPLC‐DAD, ranging from 1568.43 to 45,803.16 mg/kg dried extract. The results indicate that Q. ilex can be a source of strong antioxidant phenolic compounds with possible interest for food and pharmaceutical industries.
URI/URL: http://dspace.univ-bouira.dz:8080/jspui/handle/123456789/10517
Collection(s) :Articles

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