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The influence of dietary fibre source and gender on the postprandial glucose and lipid response in healthy subjects.

Ulmius, Matilda LU ; Johansson Persson, Anna LU and Önning, Gunilla LU (2009) In European Journal of Nutrition 48. p.395-402
Abstract
BACKGROUND: Consumption of soluble dietary fibre is correlated with decreased postprandial glucose and insulin responses and hence has beneficial effects on the metabolic syndrome. AIM OF THE STUDY: To investigate the effects on postprandial glucose, insulin and triglyceride concentrations of meals enriched with soluble dietary fibres from oats, rye bran, sugar beet fibre or a mixture of these three fibres. METHODS: Thirteen healthy human volunteers (6 men and 7 women, aged 20-28 years) were included in the study. The subjects came to the study centre once a week after an overnight fast to ingest test meals and a control meal in random order. The meals contained either oat powder (62 g, of which 2.7 soluble fibre), rye bran (31 g, of which... (More)
BACKGROUND: Consumption of soluble dietary fibre is correlated with decreased postprandial glucose and insulin responses and hence has beneficial effects on the metabolic syndrome. AIM OF THE STUDY: To investigate the effects on postprandial glucose, insulin and triglyceride concentrations of meals enriched with soluble dietary fibres from oats, rye bran, sugar beet fibre or a mixture of these three fibres. METHODS: Thirteen healthy human volunteers (6 men and 7 women, aged 20-28 years) were included in the study. The subjects came to the study centre once a week after an overnight fast to ingest test meals and a control meal in random order. The meals contained either oat powder (62 g, of which 2.7 soluble fibre), rye bran (31 g, of which 1.7 g soluble fibre), sugar beet fibre (19 g, of which 5 g soluble fibre), a mixture of these three fibres (74 g, of which 1.7 g soluble fibre from each source, giving 5 g soluble fibre) or no added fibre (control) and were all adjusted to contain the same total amount of available carbohydrates. Blood samples were drawn before and every 30 min up to 180 min after the meals. RESULTS: Meals with rye bran gave a lower postprandial glucose peak when compared with the control meal, and this effect was more pronounced in women compared to men. Oat powder, containing a low amount of total fibre and a high amount of carbohydrates in liquid matrix, gave a higher incremental glucose peak concentration compared to rye bran and sugar beet fibre and higher insulin incremental area under curve compared to control. The oat powder also influenced the effects of the mixed meal, diminishing the glucose-lowering effects. Postprandial triglyceride levels tended to be higher after all fibre-rich meals, but only significant for oat powder and the mixed meal when compared with the control meal. CONCLUSIONS: Postprandial glucose, insulin and triglyceride concentrations are influenced by dietary fibre-rich meals, depending on fibre source, dose of soluble and total fibre and possibly gender. (Less)
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Journal of Nutrition
volume
48
pages
395 - 402
publisher
Springer
external identifiers
  • wos:000269917400002
  • pmid:19415409
  • scopus:70349607355
  • pmid:19415409
ISSN
1436-6215
DOI
10.1007/s00394-009-0026-x
language
English
LU publication?
yes
id
950fd800-ac8b-4cec-adf5-a6973f5ce4e8 (old id 1412686)
alternative location
http://www.springerlink.com/content/p236601jlr18034g/
date added to LUP
2016-04-01 11:46:10
date last changed
2022-01-26 17:56:46
@article{950fd800-ac8b-4cec-adf5-a6973f5ce4e8,
  abstract     = {{BACKGROUND: Consumption of soluble dietary fibre is correlated with decreased postprandial glucose and insulin responses and hence has beneficial effects on the metabolic syndrome. AIM OF THE STUDY: To investigate the effects on postprandial glucose, insulin and triglyceride concentrations of meals enriched with soluble dietary fibres from oats, rye bran, sugar beet fibre or a mixture of these three fibres. METHODS: Thirteen healthy human volunteers (6 men and 7 women, aged 20-28 years) were included in the study. The subjects came to the study centre once a week after an overnight fast to ingest test meals and a control meal in random order. The meals contained either oat powder (62 g, of which 2.7 soluble fibre), rye bran (31 g, of which 1.7 g soluble fibre), sugar beet fibre (19 g, of which 5 g soluble fibre), a mixture of these three fibres (74 g, of which 1.7 g soluble fibre from each source, giving 5 g soluble fibre) or no added fibre (control) and were all adjusted to contain the same total amount of available carbohydrates. Blood samples were drawn before and every 30 min up to 180 min after the meals. RESULTS: Meals with rye bran gave a lower postprandial glucose peak when compared with the control meal, and this effect was more pronounced in women compared to men. Oat powder, containing a low amount of total fibre and a high amount of carbohydrates in liquid matrix, gave a higher incremental glucose peak concentration compared to rye bran and sugar beet fibre and higher insulin incremental area under curve compared to control. The oat powder also influenced the effects of the mixed meal, diminishing the glucose-lowering effects. Postprandial triglyceride levels tended to be higher after all fibre-rich meals, but only significant for oat powder and the mixed meal when compared with the control meal. CONCLUSIONS: Postprandial glucose, insulin and triglyceride concentrations are influenced by dietary fibre-rich meals, depending on fibre source, dose of soluble and total fibre and possibly gender.}},
  author       = {{Ulmius, Matilda and Johansson Persson, Anna and Önning, Gunilla}},
  issn         = {{1436-6215}},
  language     = {{eng}},
  pages        = {{395--402}},
  publisher    = {{Springer}},
  series       = {{European Journal of Nutrition}},
  title        = {{The influence of dietary fibre source and gender on the postprandial glucose and lipid response in healthy subjects.}},
  url          = {{http://dx.doi.org/10.1007/s00394-009-0026-x}},
  doi          = {{10.1007/s00394-009-0026-x}},
  volume       = {{48}},
  year         = {{2009}},
}