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Spent sulphite liqu...
Spent sulphite liquor for cultivation of an edible Rhizopus sp.
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- Ferreira, Jorge A. (author)
- Högskolan i Borås,Institutionen Ingenjörshögskolan
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- Lennartsson, Patrik R. (author)
- Högskolan i Borås,Institutionen Ingenjörshögskolan,Chalmers tekniska högskola,Chalmers University of Technology
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- Niklasson, Claes, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lundin, Magnus (author)
- Högskolan i Borås,Institutionen Ingenjörshögskolan
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- Edebo, Lars, 1934 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine
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- Taherzadeh, Mohammad J. (author)
- Högskolan i Borås,Institutionen Ingenjörshögskolan
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Taherzadeh Esfahani, Mohammad, 1965 (author)
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(creator_code:org_t)
- North Carolina State University: College of Natural Resources, 2012
- 2012
- English.
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In: BioResources. - : North Carolina State University: College of Natural Resources. - 1930-2126. ; 7:1, s. 173-188
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Abstract
Subject headings
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- Spent sulphite liquor, the major byproduct from the sulphite pulp production process, was diluted to 50% and used for production of an edible zygomycete Rhizopus sp. The focus was on production, yield, and composition of the fungal biomass composition. The fungus grew well at 20 to 40°C, but 32°C was found to be preferable compared to 20 and 40°C in terms of biomass production and yield (maximum of 0.16 g/g sugars), protein content (0.50-0.60 g/g), alkali-insoluble material (AIM) (ca 0.15 g/g), and glucosamine content (up to 0.30 g/g of AIM). During cultivation in a pilot airlift bioreactor, the yield increased as aeration was raised from 0.15 to 1.0 vvm, indicating a high demand for oxygen. After cultivation at 1.0 vvm for 84 h, high yield and production of biomass (up to 0.34 g/g sugars), protein (0.30-0.50 g/g), lipids (0.02-0.07 g/g), AIM (0.16-0.28 g/g), and glucosamine (0.22-0.32 g/g AIM) were obtained. The fungal biomass produced from spent sulphite liquor is presently being tested as a replacement for fishmeal in feed for fish aquaculture and seems to be a potential source of nutrients and for production of glucosamine.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik -- Annan industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology -- Other Industrial Biotechnology (hsv//eng)
Keyword
- spent sulphite liquor
- airlift bioreactor
- zygomycetes
- rhizopus
- chitosan
- lipids
- protein
- Energi och material
- Resursåtervinning
- Resource Recovery
- Spent sulphite liquor; Airlift bioreactor; Zygomycetes; Rhizopus; Chitosan; Lipids; Protein
Publication and Content Type
- ref (subject category)
- art (subject category)
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