Abstract:
:The effects of increased intake of dietary fiber as either whole grain rye or as resistant starch compared to a typical low dietary fiber Western-style diet on the metabolomics responses were studied in gastrointestinal content and tissue, peripheral plasma, and urine using a multicompartmental nontargeted liquid chromatography-mass spectrometry (LC-MS) approach in pigs. Both unsupervised and supervised multivariate analyses were used to study differences between the intervention groups, revealing significant effects of the dietary intervention on gastrointestinal contents and urine metabolites. Consumption of a diet composed of whole grain rye flakes and enzyme treated wheat bran increased gastrointestinal content of novel sulfate- and acetic acid-conjugated oxylipins, and urinary secretion of phenolic compounds. Furthermore, potential gastrointestinal and urinary biomarkers for consumption of resistant starch, whole grain rye, and a low dietary fiber intake were detected using multiblock analysis. This study provides insight into microbial fermentation products in the gastrointestinal tract and suggests a potential role in sulfate conjugation of metabolites on the bioavailability of ingested nutrients.
journal_name
J Proteome Resjournal_title
Journal of proteome researchauthors
Ingerslev AK,Karaman I,Bağcıoğlu M,Kohler A,Theil PK,Bach Knudsen KE,Hedemann MSdoi
10.1021/acs.jproteome.5b00039subject
Has Abstractpub_date
2015-08-07 00:00:00pages
3095-110issue
8eissn
1535-3893issn
1535-3907journal_volume
14pub_type
杂志文章abstract::In Ralstonia eutropha H16, seven genes encoding proteins being involved in the phosphoenolpyruvate-carbohydrate phosphotransferase system (PEP-PTS) were identified. In order to provide more insights into the poly(3-hydroxybutyrate) (PHB)-leaky phenotype of the HPr/EI deletion mutants H16ΔptsH, H16ΔptsI, and H16ΔptsHI ...
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