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

Taher, Imen Ben; Bennour, Haythem; Fickers, Patrick; Hassouna, Mnasser

doi:10.1007/s12649-016-9558-5

Cited by 26 publications

(4 citation statements)

References 41 publications

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“…The CMCase activity was much higher compared to that reported by Darabzadeh et al [ 40 ] using the same strain grown on rice residues (0.553 U/g). On the other hand, Ben Taher et al [ 41 ] reported activities of 41.8 U/g and 9.2 U/g for CMCase and β-glucosidases respectively, when performing SSF with T. reesei on potato peels residues, which shows the influence of the substrate in these processes.…”

Section: Resultsmentioning

confidence: 99%

Biorefinery of Brewery Spent Grain by Solid-State Fermentation and Ionic Liquids

Outeiriño

Costa-Trigo

Oliveira

et al. 2022

Foods

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Novel environmentally friendly pretreatments have been developed in recent years to improve biomass fractionation. Solid-state fermentation (SSF) and treatment with ionic liquids show low environmental impact and can be used in biorefinery of biomass. In this work, these processes were assessed with brewery spent grain (BSG). First, BSG was used as a substrate to produce cellulases and xylanases by SSF with the fungi Aspergillus brasiliensis CECT 2700 and Trichoderma reesei CECT 2414. Then, BSG was pretreated with the ionic liquid [N1112OH][Gly] and hydrolyzed with the crude enzymatic extracts. Results showed that SSF of BSG with A. brasiliensis achieved the highest enzyme production; meanwhile, the pretreatment with ionic liquids allowed glucan and xylan fractions to increase and reduce the lignin content. In addition, a mixture of the extracts from both fungi in a ratio of 2.5:0.5 Aspergillus/Trichoderma (v/v) efficiently hydrolyzed the BSG previously treated with the ionic liquid [N1112OH][Gly], reaching saccharification percentages of 80.68%, 54.29%, and 19.58% for glucan, xylan, and arabinan, respectively. In conclusion, the results demonstrated that the BSG biorefinery process developed in this work is an effective way to obtain fermentable sugar-containing solutions, which can be used to produce value-added products.

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Section: Resultsmentioning

confidence: 99%

Biorefinery of Brewery Spent Grain by Solid-State Fermentation and Ionic Liquids

Outeiriño

Costa-Trigo

Oliveira

et al. 2022

Foods

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“…Schizophyllum commune has demonstrated degradation rates of 30–40% in finger millet straw, 27–32% in paddy straw, 21% in wheat straw, and 26% in maize straw ( Kumar, Sridhar & Rao, 2022 ). Moreover, carboxymethylcellulose activity was significantly enhanced when using potato peel residue as the substrate and treating the mixture with Aspergillus Niger and Trichoderma ( Taher et al, 2016 ).…”

Section: Discussionmentioning

confidence: 99%

Response surface methodology for the mixed fungal fermentation of Codonopsis pilosula straw using Trichoderma reesei and Coprinus comatus

Wei

Chen

et al. 2023

PeerJ

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The objective of this study was to investigate the cellulose degradation rate (CDR) and lignin degradation rate (LDR) of Codonopsis pilosula straw (CPS) and the optimal fermentation parameters for mixed fungal fermentation. Single-factor tests were used to study the effects of the fungal ratio (Trichoderma reesei: Coprinus comatus), fungal inoculum, corn flour content, and fermentation time on the degradation rate of cellulose and lignin. Based on the results of this experiment, the optimal fermentation factors were identified, and the effects of various factors and their interactions on the degradation rates of cellulose and lignin were further evaluated using the response surface method. The quadratic polynomial mathematical model of degradation rates of the cellulose and lignin in CPS by mixed fungus fermentation was established using Design Expert software v8.0.6. Under the optimal parameters for fungal fermentation of CPS straw (fungal ratio 4:6, fungal inoculum 8%, corn flour content 10%, fermentation time of 15 d), the CDR and LDR reached 13.65% and 10.73%, respectively. Collectively, the mixed fungal fermentation of CPS resulted in decreased lignin and cellulose content, better retention of nutrients, and enhanced fermentation quality. The results of this study indicate that fermentation using Trichoderma reesei and Coprinus comatus is a productive method for straw degradation, providing a theoretical basis for the development of CPS as feed.

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“…possess considerable potential for utilizing potato waste as substrate for cellulase production in submerged fermentation (Irfan et al 2012 ). Likewise some fungi also exhibit potential for utilizing potato peel residues as a substrate for cellulase production (Taher et al 2016 ).…”

Section: Discussionmentioning

confidence: 99%

Carboxymethyl cellulase production optimization from newly isolated thermophilic Bacillus subtilis K-18 for saccharification using response surface methodology

et al. 2017

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In this study, a novel thermophilic strain was isolated from soil and used for cellulase production in submerged fermentation using potato peel as sole carbon source. The bacterium was identified by 16S rRNA gene sequencing technology. Central composite design was applied for enhanced production using substrate concentration, inoculum size, yeast extract and pH as dependent variables. Highest enzyme titer of 3.50 ± 0.11 IU/ml was obtained at 2% substrate concentration, 2% inoculum size, 1% yeast extract, pH 5.0, incubation temperature of 50 °C for 24 h of fermentation period. The crude enzyme was characterized having optimum pH and temperature of 7.0 and 50 °C, respectively. The efficiency of enzyme was checked by enzymatic hydrolysis of acid/alkali treated pine needles which revealed that 54.389% saccharification was observed in acid treated pine needles. These results indicated that the cellulase produced by the Bacillus subtilis K-18 (KX881940) could be effectively used for industrial processes particularly for bioethanol production.

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

Cited by 26 publications

References 41 publications

Biorefinery of Brewery Spent Grain by Solid-State Fermentation and Ionic Liquids

Biorefinery of Brewery Spent Grain by Solid-State Fermentation and Ionic Liquids

Response surface methodology for the mixed fungal fermentation of Codonopsis pilosula straw using Trichoderma reesei and Coprinus comatus

Carboxymethyl cellulase production optimization from newly isolated thermophilic Bacillus subtilis K-18 for saccharification using response surface methodology

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