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From stale bread an...
From stale bread and brewers spent grain to a new food source using edible filamentous fungi
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- Gmoser, Rebecca, 1990- (författare)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Fristedt, Rikard, 1978 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Food and Nutrition Science, Biology and Biological Engineering, Chalmers University of Technology , Gothenburg, Sweden
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- Larsson, Karin, 1979 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Food and Nutrition Science, Biology and Biological Engineering, Chalmers University of Technology , Gothenburg, Sweden
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- Undeland, Ingrid, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Food and Nutrition Science, Biology and Biological Engineering, Chalmers University of Technology , Gothenburg, Sweden
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- Taherzadeh Esfahani, Mohammad, 1965 (författare)
- Högskolan i Borås,University of Borås
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- Lennartsson, Patrik R, 1983 (författare)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Taherzadeh, Mohammad J, 1965- (författare)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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(creator_code:org_t)
- 2020-05-24
- 2020
- Engelska.
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Ingår i: Bioengineered Bugs. - : Informa UK Limited. - 2165-5979 .- 2165-5987. ; 11:1, s. 582-598
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https://doi.org/10.1...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- By-products from the food sector with a high load of organic matter present both a waste-handling problem related to expenses and to the environment, yet also an opportunity. This study aims to increase the value of stale bread and brewers spent grain (BSG) by re-introducing these residues to the food production chain by converting them to new protein-enriched products using the edible filamentous fungi Neurospora intermedia and Rhizopusoryzae. After 6 days of solid state fermentation (at 35°C, with a95% relative humidity and moisture content of 40% in the substrate) on stale bread, a nutrient-rich fungal-fermented product was produced. The total protein content, as analyzed by total amino acids, increased from 16.5% in stale sourdough bread to 21.1% (on dry weight basis) in the final product with an improved relative ratio of essential amino acids. An increase in dietary fiber, minerals (Cu, Fe, Zn) and vitamin E, as well as an addition of vitamin D2 (0.89 µg/g dry weight sample) was obtained compared with untreated stale bread. Furthermore, addition of BSG to the sourdough bread with the aim to improve textural changes after fermentation showed promising outcomes. Cultivation of N. intermedia or R. oryzae on stale sourdough bread mixed with 6.5% or 11.8% BSG, respectively, resulted in fungal-fermented products with similar textural properties to a commercial soybean burger. Bioconversion of stale bread and BSG by fungal solid state fermentation to produce a nutrient-enriched food product was confirmed to be a successful way to minimize food waste and protein shortage.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Näringslära (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nutrition and Dietetics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
Nyckelord
- edible filamentous fungi
- stale bread
- brewers spent grain
- solid state fermentation
- Neurospora intermedia
- Resource Recovery
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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