Solid Substrate Fermentations

Aidoo, Kofi E.; Hendry, R. Michael; Wood, B. J.

doi:10.1016/s0065-2164(08)70236-3

Cited by 147 publications

(49 citation statements)

References 58 publications

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“…Cellulase production by different organisms in submerged state fermentation has received more attention and is found to be cost-prohibitive because of high cost of process engineering. Solid state fermentation (SSF) is successfully used for large scale production of fungal metabolites and bioconversion of plant, animal wastes into useful products 8,9 . SSF, a highly attractive and alternative process needs to be exploited for generation of cellulolytic enzymes with use of cheaply available lignocellulosic residues and low input of process engineering 10 .…”

Section: Introductionmentioning

confidence: 99%

Cellulolytic enzymes on lignocellulosic substrates in solid state fermentation by Aspergillus niger

2007

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The production of cellulolytic enzymes by Aspergillus niger on lignocellulosic substrates groundnut fodder, wheat bran, rice bran and sawdust in solid state fermentation in a laboratory scale was compared. Czapek Dox liquid broth amended with cellulose (0.5%) was used to moisten lignocellulosic solid supports for cultivation of Aspergillus niger. The production of fi lter paperase, carboxymethyl cellulase and -glucosidase were monitored at daily intervals for 5 days. The peak production of the enzymes occurred within 3 days of incubation. Among solid supports used in the study, wheat bran was the best solid matrix followed by groundnut fodder in production of cellulolytic enzymes in solid state fermentation. Groundnut fodder supported signifi cant production of FPase (2.09 FPU/g), CMCase (1.36 U/g) and -glucosidase activity (0.0117 U/g) in solid state fermentation. Considerable secretion of protein (5.10 mg/g) on groundnut fodder at peak time interval 1st day of incubation was recorded.

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Section: Introductionmentioning

confidence: 99%

Cellulolytic enzymes on lignocellulosic substrates in solid state fermentation by Aspergillus niger

2007

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“…'* 2) EX-FERM f e r n i e n t a t i~n ,~~.~~ and 3) solidphase fermentation. [21][22][23] In the diffusion process, the feedstock is sliced into thin pieces which are then augered through a continuous diffusion tube against a flow of 70-80°C water. After a retention time of 0.5-1 h, spent feedstock pieces exit one end of the diffuser and a clear juice exits the other end.…”

Section: Introductionmentioning

confidence: 99%

A continuous, farm‐scale, solid‐phase fermentation process for fuel ethanol and protein feed production from fodder beets

Gibbons

Westby

Dobbs

1984

Biotech & Bioengineering

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Fuel ethanol (95%) was produced from fodder beets in two farm-scale processes. In the first process, involving conventional submerged fermentation of the fodder beets in a mash, ethanol and a feed (PF) rich in protein, fat, and fiber were produced. Ethanol yields of 70 Llmetric ton (17 gallton) were obtained; however, resulting beers had low ethanol concentrations [3-5% (vlv)]. The high viscosity of medium and low sugar, beet mashes caused mixing problems which prevented any further increase of beet sugar in the mash. This severely limited the maximum attainable ethanol concentration during fermentation, thereby making the beer costly to distill into fuel ethanol and the process energy inefficient. In order to achieve distillably worthwhile ethanol concentrations of 8-1O% (vlv), we developed and tested a solidphase fermentation process (continuous). In preliminary trials, this system produced fermented pulp with over 8% (vlv) ethanol corresponding to an ethanol yield of 87 Llmetric ton (21 gallton). Production costs with this novel process are $0.47/L ($1.77/gal) and the energy balance is 2.1 l . These preliminary cost estimates indicate that fodder beets are potentially competitive with corn as an ethanol feedstock. Additional research, however, is warranted to more precisely refine individual costs, energy balances and the actual value of the PF.

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“…For the selection of inert materials, polystyrene, which is a commercially-available insulating and packaging material, were used as the inert solid support for the production of enzymes [8][9][10]; while ion exchange resins [11], polyurethane foam [7,12,13], and vermiculite [14,15] have also been used as inert carriers for SSF. However, production of CA by inert support absorption SSF has not been yet reported.…”

Section: Introductionmentioning

confidence: 99%

Clavulanic Acid Production by Streptomyces clavuligerus using Solid State Fermentation on Polyurethane Foam

Wang

Chen

2016

Tr Ren Energy

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Solid Substrate Fermentations

Cited by 147 publications

References 58 publications

Cellulolytic enzymes on lignocellulosic substrates in solid state fermentation by Aspergillus niger

Cellulolytic enzymes on lignocellulosic substrates in solid state fermentation by Aspergillus niger

A continuous, farm‐scale, solid‐phase fermentation process for fuel ethanol and protein feed production from fodder beets

Clavulanic Acid Production by Streptomyces clavuligerus using Solid State Fermentation on Polyurethane Foam

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