Document Detail


Effects of Isolated and Complex Dietary Fibre Matrices in Breads on Carbohydrate Digestibility and Physicochemical Properties of Ileal Effluent from Pigs.
MedLine Citation:
PMID:  23194099     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
To assess the effects of content and structure of dietary fibre (DF) on the carbohydrate digestibility and physicochemical properties of ileal digesta, five bread diets were studied in an experiment with ileum-cannulated pigs in a cross-over design. The diets consisted of two experimental breads based on white wheat flour with added wheat arabinoxylan (AX), or with added isolated oat β-glucan (BG), which were compared with a low-DF commercial white wheat bread (WF), and two commercial high-DF - dark ground rye bread (GR) and rye bread with kernels (RK) as positive controls. There was no profound effect of either DF content, structure, viscosity or water binding capacity on the ileal digestibility of starch, which was almost completely digested in the small intestine. Arabinoxylan and β-glucan were 11% and 81% degraded in the ileum, respectively, which resulted in a significant increase and decrease of ileal extract viscosities, respectively. It is concluded that the viscosity elevating properties of soluble DF in breads and ileal digesta is strongly dependent on content and structure of DF and degree of resistance towards microbial enzymes.
Authors:
Miroslaw Marek Kasprzak; Helle Nygaard Laerke; Knud Erik Bach Knudsen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-29
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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