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The botanical integrity of wheat products influences the gastric distention and satiety in healthy subjects

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Author(s): Hlebowicz Joanna | Lindstedt Sandra | Björgell Ola | Höglund Peter | Almér Lars-Olof | Darwiche Gassan

Journal: Nutrition Journal
ISSN 1475-2891

Volume: 7;
Issue: 1;
Start page: 12;
Date: 2008;
Original page

ABSTRACT
Abstract Background Maintenance of the botanical integrity of cereal kernels and the addition of acetic acid (as vinegar) in the product or meal has been shown to lower the postprandial blood glucose and insulin response and to increase satiety. However, the mechanism behind the benefits of acetic acid on blood glucose and satiety is not clear. We hypothesized that the gastric emptying rate could be involved. Thus, the aim of this study was to evaluate the possible influence of maintained botanical integrity of cereals and the presence of acetic acid (vinegar) on gastric emptying rate (GER), postprandial blood glucose and satiety. Methods Fifteen healthy subjects were included in a blinded crossover trial, and thirteen of the subjects completed the study. Equicarbohydrate amounts of the following wheat-based meals were studied: white wheat bread, whole-kernel wheat bread or wholemeal wheat bread served with white wine vinegar. The results were compared with a reference meal consisting of white wheat bread without vinegar. The GER was measured with standardized real-time ultrasonography using normal fasting blood glucose

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