1. Enzyme Bioconversion Unit (04/UR/09-04) (UR13ES74), National School of Engineering P.O. Box 1173-3038, Sfax University; Sfax Tunisia
2. Laboratoire d'amélioration des plantes et valorisation des agressources, Ecole national d'ingénieur de Sfax, Université de Sfax, route de Sokre 3038; Sfax Tunisia
3. Common Service Unit of Bioreactor coupled with an ultrafilter, National School of Engineering P.O. Box 1173-3038, Sfax University; Sfax Tunisia