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Muesli with 4g oat beta-glucans lowers glucose and insulin responses after a bread meal in healty subjects

Publiceringsår: 2008
Språk: Engelska
Sidor: 600-607
Publikation/Tidskrift/Serie: European Journal of Clinical Nutrition
Volym: 62
Nummer: 5
Dokumenttyp: Artikel
Förlag: Nature Publishing Group
Övrig information: Advance online publication 4 April 2007

Sammanfattning

Objective: To evaluate the impact of an extruded muesli product based on -glucan-rich oat bran on postprandial glycaemia and insulinaemia.

Subject/Design: The study is divided in two series. Blood glucose and serum insulin responses were studied after subjects consuming test meals including a serving of muesli with 3 g (series 1) and 4 g (series 2) of -glucans, respectively. The muesli was a component in a single serving packet with muesli and yoghurt. This was served together with white wheat bread in the morning after an overnight fast. The compositions were standardized to contain 50 g available carbohydrates. As a reference meal a serving packet without -glucans was included. The study was performed at Applied Nutrition and Food Chemistry, Lund University, Sweden. Nineteen and thirteen healthy volunteers with normal body mass index were recruited for series 1 and 2, respectively.

Results: Muesli with 3 g of -glucans, included in a mixed bread meal, gave no significant differences in glycaemic response compared to a reference meal without muesli and -glucans. In contrast, muesli with 4 g of -glucans significantly (P<0.05) lowered the glucose and insulin responses compared to the reference meal.

Conclusions: Muesli enriched with 4 g of -glucans reduces postprandial glucose and insulin levels to a breakfast based on high glycaemic index products. A total of 4 g of beta-glucans from oats seems to be a critical level for a significant decrease in glucose and insulin responses in healthy people.

Disputation

Nyckelord

  • Agriculture and Food Sciences
  • functional foods
  • insulin response
  • glucose response
  • beta-glucan
  • oat bran
  • glucose tolerance

Övrigt

Published
Yes
  • ISSN: 0954-3007

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