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Extraction of water...
Extraction of water-soluble xylan from wheat bran and utilization of enzymatically produced xylooligosaccharides by Lactobacillus, Bifidobacterium and Weissella spp.
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- Immerzeel, Peter (författare)
- Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Falck, Peter (författare)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Galbe, Mats (författare)
- Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Adlercreutz, Patrick (författare)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Nordberg Karlsson, Eva (författare)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Stålbrand, Henrik (författare)
- Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- Engelska.
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Ingår i: LWT - Food Science and Technology. - : Elsevier BV. - 0023-6438. ; 56:2, s. 321-327
- Relaterad länk:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Xylan was extracted from wheat bran after heat pretreatment in water using either an autoclave or a microwave oven. Xylooligosaccharides (XOS) were produced from the xylan using the thermostable xylanase RmXyn10A and the potential prebiotic properties of XOS were studied in vitro with different human gut bacteria: Lactobacillus brevis (DSMZ 1269), Bifidobacterium adolescentis (ATCC 15703) and two strains of recently isolated lactic acid bacteria from the species pair Weissella cibaria/confusa. The highest yield of (arabino)xylan with the heat pretreatment was obtained at 185 degrees C for 10 min. Higher temperature led to fewer arabinose substitutions present on the backbone which in turn resulted in a slightly more efficient enzymatic hydrolysis by RmXyn10A. Using the produced XOS hydrolysate as carbon source, xylobiose uptake was confirmed for all bacterial species studied while xylotriose uptake could be confirmed for B. adolescentis and the Weissella strains. The negative control strain Escherichia coli (BL 21) did not use XOS as a carbon source. L brevis, B. adolescentis and the Weissella spp. all showed growth on XOS, verified by increases in cell density, lactic acid and acetic acid production after 48 h incubation. Corresponding increases were not found using the non-hydrolysed xylan as carbon source. (C) 2013 Elsevier Ltd. All rights reserved.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
Nyckelord
- Wheat bran
- Xylan
- Xylanase
- Lactic acid bacteria
- Weissella
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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