| In vitro fermentation of alternansucrase raffinose-derived oligosaccharides by human gut bacteria. | |
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MedLine Citation:
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PMID: 21913653 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In this work, in vitro fermentation of alternansucrase raffinose derived oligosaccharides, previously fractionated according to their degree of polymerization (DP; from DP4 to DP10) was carried out using small-scale pH-controlled batch cultures at 37 ºC under anaerobic conditions with human feces. Bifidogenic activity of oligosaccharides with DP4-6 similar to that of lactulose was observed; however, in general, a significant growth of lactic acid bacteria Bacteroides, Atopobium cluster and Clostridium histolyticum group was not shown during incubation. Acetic acid was the main SCFA (short-chain fatty acid) produced during the fermentation process; the highest levels of this acid were shown by alternansucrase raffinose acceptor pentasaccharides at 10 h (63.11 mM) and heptasaccharides at 24 h (54.71 mM). No significant differences between the gas volume produced by the mixture of raffinose-based oligosaccharides (DP5-DP10) and inulin after 24 hours of incubation were detected, whereas, lower gas volume was generated by DP4 oligosaccharides. These findings indicate that novel raffinose-derived oligosaccharides (DP4-DP10) could be a new source of prebiotic carbohydrates. |
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Authors:
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Oswaldo Hernandez-Hernandez; Greg L Cote; Sofia Kolida; Robert A Rastall; Maria Luz Sanz |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-13 |
Journal Detail:
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Title: Journal of agricultural and food chemistry Volume: - ISSN: 1520-5118 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-9-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0374755 Medline TA: J Agric Food Chem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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