Article (Scientific journals)
Valorization of Potato Peels Residues on Cellulase Production Using a Mixed Culture of Aspergillus niger ATCC 16404 and Trichoderma reesei DSMZ 970
Ben Taher, I.; Bennour, H.; Fickers, Patrick et al.
2017In Waste and Biomass Valorization, 8 (1), p. 183-192
Peer reviewed
 

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Keywords :
A. niger; Cellulase; Potato peels residues; Pretreatment; Solid state fermentation; T. reesei; Fermentation; Infrared spectroscopy; Thermogravimetric analysis; Niger; Potato peels; Pre-Treatment; Solid-state fermentation; Substrates
Abstract :
[en] In this paper, we report on the utilization of potato peel residues (PPR) as a substrate and support for the production of cellulase complexes by mono-and co-culture of Aspergillusniger ATCC 16404 and Trichodermareesei DSMZ 970 by solid state fermentation. A significant increase in cellulase production, especially CMC-ase, was obtained during co-culture compared to respective monocultures. The effect of PPR pretreatment with acid and alkali on cellulase production was also investigated. Characterization of the pretreated substrate by Fourier transformed infrared spectroscopy and thermogravimetric analysis highlighted a structural alteration of the constitutive components of potato peels residues. These pretreated substrates were tested for their ability to support cellulase production by co-culture of A. niger ATCC 16404 and T. reesei DSMZ 970. Time course measurements of cellulase activity clearly demonstrated that substrate pretreatment had a negative effect on cellulase production. The highest yields of cellulase were obtained using untreated substrate with 80, 199, 48 UI/gds for FP-ase, CMC-ase and β-glucosidase, respectively. © 2016, Springer Science+Business Media Dordrecht.
Disciplines :
Biotechnology
Author, co-author :
Ben Taher, I.;  Unité de recherche Bio-conservation et Valorisation des Produits agro-alimentaires, Ecole Supérieure des Industries Alimentaires de Tunis, Av Alain Savary, 58, Tunis, Tunisia, Laboratoire de génies biologique et agroalimentaire, Université Libre de Tunis, Av Kheireddine Pacha, 30, Tunis, Tunisia
Bennour, H.;  Laboratoire des Substances Naturelles (LSN), Institut National d’Analyse et de Recherche Physico-chimique (INRAP), Pôle technologique de Sidi Thabet, 2020 Sidi Thabet, Tunis, Tunisia
Fickers, Patrick ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Microbial, food and biobased technologies
Hassouna, M.;  Unité de recherche Bio-conservation et Valorisation des Produits agro-alimentaires, Ecole Supérieure des Industries Alimentaires de Tunis, Av Alain Savary, 58, Tunis, Tunisia
Language :
English
Title :
Valorization of Potato Peels Residues on Cellulase Production Using a Mixed Culture of Aspergillus niger ATCC 16404 and Trichoderma reesei DSMZ 970
Publication date :
2017
Journal title :
Waste and Biomass Valorization
ISSN :
1877-2641
eISSN :
1877-265X
Publisher :
Springer Netherlands
Volume :
8
Issue :
1
Pages :
183-192
Peer reviewed :
Peer reviewed
Available on ORBi :
since 18 February 2021

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