Fractionation by ultrafiltration of a saithe protein hydrolysate (Pollachius virens): Effect of material and molecular weight cut-off on the membrane performances

Aurelie Chabeaud 1, 2 Laurent Vandanjon 2, 3 Patrick Bourseau 2, 3, * Pascal Jaouen 3 Fabienne Guérard 1, 4
* Auteur correspondant
1 Laboratoire ANTiOX
2 LIMATB - Laboratoire d'Ingénierie des Matériaux de Bretagne
3 GEPEA - Laboratoire de génie des procédés - environnement - agroalimentaire
4 LEMAR - Laboratoire des Sciences de l'Environnement Marin (LEMAR)
Abstract : Five organic tubular nanofiltration membranes of various material and molecular weight cut-off (MWCO) were tested for the enrichment of a fish (saithe, Pollachius virens) hydrolysate in low molecular weight antioxidant peptides (< 2 kDa). The effect of membrane material and MWCO on permeation flux, hydrolysate adsorption extent, membrane cleaning and peptides retention was investigated in low fouling conditions in order to limit concentration polarization effects. Water permeation fluxes appeared sensitive both to the MWCO and the membrane material. Membranes in polyethersulfone (PES), a highly hydrophobic material, exhibited lower fluxes than modified polyethersulfone (m-PES) and polysulfone (PS) membranes. The 4 kDa m-PES membrane was found to be the most adapted to the objective in terms of flux and retention factor. The 4 kDa m-PES and 8 kDa PS membranes could also be used in series to recover medium-size peptides. (c) 2008 Elsevier Ltd. All rights reserved.
Keywords : Ultrafiltration Membrane selectivity Membrane fractionation Saithe Fish protein hydrolysate
Type de document :
Article dans une revue
Journal of Food Engineering, Elsevier, 2009, 91 (3), pp.408-414. 〈10.1016/j.jfoodeng.2008.09.018〉
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http://hal.univ-brest.fr/hal-00669664
Contributeur : Catherine Bertignac <>
Soumis le : lundi 13 février 2012 - 15:59:10
Dernière modification le : lundi 16 avril 2018 - 15:22:02

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Aurelie Chabeaud, Laurent Vandanjon, Patrick Bourseau, Pascal Jaouen, Fabienne Guérard. Fractionation by ultrafiltration of a saithe protein hydrolysate (Pollachius virens): Effect of material and molecular weight cut-off on the membrane performances. Journal of Food Engineering, Elsevier, 2009, 91 (3), pp.408-414. 〈10.1016/j.jfoodeng.2008.09.018〉. 〈hal-00669664〉

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