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Optimization of the Extraction of Sorghum's Polyphenols for Industrial Production by Membrane Processes

Author Affiliations

  • 1Laboratoire d'Etude et de Recherche en Chimie Appliquée (LERCA), Ecole Polytechnique d'Abomey-Calavi (EPAC), Université d'Abomey-Calavi (UAC), 01 BP 2009 Cotonou, REPUBLIC OF BENIN
  • 2 Institut Pluridisciplinaire de Recherche sur l’Environnement et les Matériaux (IPREM), Université de Pau et des Pays de l’Adour (UPPA), UMR 5254 Technopole Hélioparc, 2 avenue du président d’Angot 64053 PAU Cedex, FRANCE
  • 3 Institut des Sciences Moléculaires (ISM), Université de Bordeaux 1, CNRS UMR 5255 Batiment A12, 351 cours de la libération, 33405TALENCE cedex, FRANCE

Res. J. Recent Sci., Volume 1, Issue (4), Pages 1-8, April,2 (2012)


For a large-scae production of sorghum's polyphenols for food and medicine by membrane processes, different extraction parameters (temperature, duration and nature of solvent) were optimized. For a production in respect of environmental standards to an extrapolation of technology to the semi-industrial scale in the developing countries, 14 hours of extraction with magnetic or mechanical stirring at room temperature with a ratio of 1g of solids per 150 ml of water and a neutral pH were selected as optimum extraction conditions


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