Veuillez utiliser cette adresse pour citer ce document :
http://dspace.univ-bouira.dz:8080/jspui/handle/123456789/6189
Titre: | Optimisation of microwave‐assisted extraction of prune (Prunus domestica) antioxidants by response surface methodology |
Auteur(s): | Remini, Hocine |
Date de publication: | sep-2014 |
Editeur: | university bouira |
Résumé: | Optimal conditions for microwave‐assisted extraction (MAE) of total phenols (TP), epicatechin gallate and antioxidant activity from prune (Prunus domestica), rejected in transformation process of plum to prune, were determined by response surface methodology. The central composite design was used to study the effects of three independent variables: microwave power, irradiation time and solvent polarity on the TP, epicatechin gallate and antioxidant activity. Epicatechin gallate was identified as a major phenolic compound in prune extract by RP‐HPLC. Microwave power and irradiation time significantly affected all responses (P < 0.01). The highest TP (598.89 mg GAE/100 g prune) was obtained using water as an extraction solvent at 500 W, during 115 s. However, the optimal conditions for epicatechin gallate extraction were ethanol 80%, 435 W and 120 s. MAE is more efficient than conventional extraction |
URI/URL: | http://dspace.univ-bouira.dz:8080/jspui/handle/123456789/6189 |
Collection(s) : | Articles |
Fichier(s) constituant ce document :
Fichier | Description | Taille | Format | |
---|---|---|---|---|
Optimisation_of_microwave-assisted_extra.pdf | 454,63 kB | Adobe PDF | Voir/Ouvrir |
Tous les documents dans DSpace sont protégés par copyright, avec tous droits réservés.