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PMID: 19888729 2020-01-01 · Dietary fiber such as wheat bran extract (WBE) is enriched in arabinoxylan oligosaccharides (AXOS), which are conceived as prebiotics given their ability to stimulate the growth of bifidobacteria. The AXOS breakdown to arabinose and xylose monomers occurs through the activity of microbes such as Bifidobacterium species. 2018-03-07 · OBJECTIVE AND DESIGN: The aim of this study was to determine the corrective effects of wheat bran-derived arabinoxylan oligosaccharides in obese mice fed a western diet (WD). WD was given for 4 weeks before wheat bran extract (WBE) supplementation (5%) for an additional 4 weeks, whereas a control group received the standard diet. 2015-04-30 · A procedure for the production of A 3 X by hydrolysis of wheat flour arabinoxylan by a GH family 10 endo-1,4-β-xylanase from Aspergillus aculeatus was more recently described by Rantanen et al. 19 (Note: nomenclature rules are based on procedures described for α-gluco-oligosaccharides, 20 galactomanno-oligosaccharides, 21 xylogluco-oligosaccharides 22 and arabino-xylo-oligosaccharides 23).
α-Galactosidase catalyses cleavage of terminal α-galactose residues from α- O -galactosides including galactose-containing oligosaccharides and branched polysaccharides, such | Pure arabinoxylan (AX) oligosaccharides trigger early immune responses in Arabidopsis. (A) Molecular structures of the different AX oligosaccharides used in the experiments. 3 3 -a-L Although some health effects of AX are documented, the effects of their hydrolysis products, the arabinoxylan oligosaccharides (AXOS), are less studied. Many oligosaccharides exert prebiotic activities and there are indications that xylo-oligosaccharides consisting of β-(1,4)-linked d -xylopyranosyl residues show strong bifidogenic effects. Wheat bran arabinoxylan can be converted by enzymatic hydrolysis into short arabinoxylo-oligosaccharides (AXOS) with prebiotic potential. Alkali extraction of arabinoxylan from wheat-bran offers advantages in terms of yield and results in arabinoxylan with highly-substituted regions which has been a challenge to hydrolyse using endoxylanases.
Due to the potential application in foods, the purity of arabinoxylan was also assessed.
ARABINOXYLAN - Avhandlingar.se
Identification and structural analysis of cereal arabinoxylan-derived oligosaccharides by negative ionization HILIC-MS/MS. Referentgranskad.
Identification and structural analysis of cereal arabinoxylan-derived
The arabinose to xylose ratio of the samples produced varied between 0.14 and 0.92, and their average degree of polymerization (avDP) ranged between 42 and 300. Their fermentation for 48 h in an in Arabinoxylan oligosaccharides (A)XOS Xylo- and arabinoxylan oligosaccharides DP Degree of polymerization HO˙ Hydroxyl radicals TEMPO 2,2,6,6-Tetramethylpiperidine 1-oxyl XOS Xylooligosaccharides Funding source The aim was to study arabinoxylan-oligosaccharide production from rye bran using heat pretreatment and enzymatic hydrolysis.
Modular assembly of oligoarabinoxylans from few building blocks was enabled by adding (2-naphthyl)methyl (Nap) to the toolbox of orthogonal protecting groups for solid
The aim was to study arabinoxylan-oligosaccharide production from rye bran using heat pretreatment and enzymatic hydrolysis. Due to the potential application in foods, the purity of arabinoxylan was also assessed.
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Helsinki 2020. Arabinoxylan-oligosaccharides (AXOS) are a recently newly discovered class of candidate prebiotics as - depending on their structure - they are fermented in different regions of gastrointestinal tract. This can have an impact on the protein/carbohydrate fermentation balance in the large intestine and, thus, affect the generation of potentially Arabinoxylan oligosaccharides (AXOS) are prebiotic carbohydrates with promising health-promoting properties that stimulate the activity of specific colon bacteria, in particular bifidobacteria. However, the mechanisms by which bifidobacterial strains break down these compounds in the colon is still unknown. Due to their potential prebiotic properties, arabinoxylan-derived oligosaccharides [(A)XOS] are of great interest as functional food and feed ingredients.
α-Galactosidase catalyses cleavage of terminal α-galactose residues from α- O -galactosides including galactose-containing oligosaccharides and branched polysaccharides, such
| Pure arabinoxylan (AX) oligosaccharides trigger early immune responses in Arabidopsis. (A) Molecular structures of the different AX oligosaccharides used in the experiments. 3 3 -a-L
Although some health effects of AX are documented, the effects of their hydrolysis products, the arabinoxylan oligosaccharides (AXOS), are less studied.
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Identification and structural analysis of cereal arabinoxylan-derived
Arabinoxylan oligosaccharides (AXOS) are considered as DF with prebiotic potential, but so far no studies have investigated their metabolic effects in humans. Thesis: Production and utilisation of prebiotic oligosaccharides - Applied Production of arabinoxylan-oligosaccharide mixtures of varying composition from rye From wheat bran to arabinoxylan oligosaccharides (AXOS): production, demonstration of prebiotic effects, regulatory aspects and spinout creation. Professor of prebiotic oligosaccharides : Applied bioinformatics of glycoside hydrolases NATURAL SCIENCES; arabinoxylan; arabinoxylan-oligosaccharides; White crystalline powder obtained by enzymatic extraction from Triticum aestivum L. bran, rich in arabinoxylan oligosaccharides. livsmedel - eur-lex.europa.eu.