Valorization of Potato Peels Residues on Cellulase Production Using a Mixed Culture of Aspergillus niger ATCC 16404 and Trichoderma reesei DSMZ 970

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• 作者：Imen Ben Taher ; Haythem Bennour ; Patrick Fickers…
• 关键词：Potato peels residues ; Cellulase ; Solid state fermentation ; Pretreatment ; A. niger ; T. reesei
• 刊名：Waste and Biomass Valorization
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：8
• 期：1
• 页码：183-192
• 全文大小：
• 刊物类别：Engineering
• 刊物主题：Engineering, general; Environment, general; Renewable and Green Energy; Industrial Pollution Prevention; Waste Management/Waste Technology; Environmental Engineering/Biotechnology;
• 出版者：Springer Netherlands
• ISSN：1877-265X
• 卷排序：8

文摘

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.