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Growth tolerance of...
Growth tolerance of Zygomycetes Mucor indicus in orange peel hydrolysate without detoxification
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- Lennartsson, Patrik (författare)
- Högskolan i Borås,Institutionen Ingenjörshögskolan,Chalmers tekniska högskola,Chalmers University of Technology
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- Ylitervo, Päivi (författare)
- Högskolan i Borås,Institutionen Ingenjörshögskolan,Chalmers tekniska högskola,Chalmers University of Technology
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- Larsson, Christer, 1958 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Edebo, Lars, 1934 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine
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- Taherzadeh, Mohammad (författare)
- Högskolan i Borås,Institutionen Ingenjörshögskolan,University of Borås
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(creator_code:org_t)
- Elsevier Ltd, 2012
- 2012
- Engelska.
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Ingår i: Process Biochemistry. - : Elsevier Ltd. - 1359-5113 .- 1873-3298. ; 47:5, s. 836-842
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://research.cha...
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https://gup.ub.gu.se...
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Abstract
Ämnesord
Stäng
- The capability of two zygomycetes strains, Mucor indicus and an isolate from tempeh (Rhizopus sp.), to grow on orange peel hydrolysate and their tolerance to its antimicrobial activity, was investigated. Both fungi, in particular M. indicus, tolerated up to 2% d-limonene in semi-synthetic media during cultivation in shake flasks, under aerobic as well as anaerobic conditions. The tolerance of M. indicus was also tested in a bioreactor, giving rise to varying results in the presence of 2% limonene. Furthermore, both strains were capable of consuming galacturonic acid, the main monomer of pectin, under aerobic conditions when no other carbon source was present. The orange peel hydrolysate was based on 12% (dry w/v) orange peels, containing d-limonene at a concentration of 0.6% (v/v), which no other microorganism has been reported to be able to ferment. However, the hydrolysate was utilised by M. indicus under aerobic conditions, resulting in production of 410 and 400 mg ethanol/g hexoses and 57 and 75 mg fungal biomass/g sugars from cultivations in shake flasks and a bioreactor, respectively. Rhizopus sp., however, was slow to germinate aerobically, and neither of the zygomycetes was able to consistently germinate in orange peel hydrolysate, under anaerobic conditions. The zygomycetes strains used in the present study demonstrated a relatively high resistance to the antimicrobial compounds present in orange peel hydrolysate, and they were capable of producing ethanol and biomass in the presence of limonene, particularly when cultivated with air supply.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
Nyckelord
- zygomycetes
- mucor indicus
- ethanol
- orange peel
- d-limonene
- Energi och material
- Resursåtervinning
- Resource Recovery
- Zygomycetes
- Mucor indicus
- Ethanol
- Orange peel
- D-Limonene
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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