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The primary purpose of this project is to evaluate effects in healthy humans on glucose tolerance of cereal products with high amounts of fermentable dietary fibre. Secondary issues are to investigate effects of the test foods on subjective appetite variables, mood variables and gut microbiota composition. The test food products will be consumed in the evening and test variables will be determined the next morning. The study will apply a randomized crossover study design.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Reference product | Sham Comparator | Commercial cereals and a commercial yogurt |
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| Test product A | Experimental | Specific designed cereals A and yogurt |
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| Test product B | Experimental | Specific designed cereals B and yogurt |
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| Test product C | Experimental | Specific designed cereals C and yogurt |
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| Test product D | Experimental | Specific designed cereals D and yogurt |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Cereal based products | Other | The cereal products are made from common Swedish cereals. |
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| Measure | Description | Time Frame |
|---|---|---|
| Glucose tolerance | The incremental (3 hours) blood glucose area under the curve after a standardized breakfast, following consumption of the test- or reference products the previous evening. Glucose concentrations will be analysed from capillary blood at fasting and at 15 min, 30 min, 45 min, 60 min, 90 min, 120 min, 150 min and 180 min after the standardized breakfast. | 3 hours |
| Measure | Description | Time Frame |
|---|---|---|
| Subjective appetite variables | Determination of appetite variables (satiety, hunger and desire to eat) at fasting in the morning and after the standardized breakfast following consumption of the test- or reference products the previous evening. The appetite sensations will be determined at fasting and then at 30 min, 60 min, 90 min, 120 min, 150 min and at 180 min. The variables will be determined by registration on a 0-100 mm visual analogue scales (VAS). Higher ratings are considered to be better for the rating of satiety meanwhile lower ratings are considered to be better for hunger and desire to eat. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Anne Nilsson, associate professor | Lund University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Lund University, Food Technology, Engineering and Nutrition | Lund | 22100 | Sweden |
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Randomized crossover study design. Healthy young adult volunteers.
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| 3 hours |
| Mood parameters | Determination of mood variables (activity and valence) at fasting in the morning and after the andardized breakfast, following consumption of the test- or reference products the previous evening. The mood variables will be determined at fasting and then at 60 min, 120 min and at 180 min. The variables will be determined by registration on a 0-100 mm visual analogue scales (VAS). | 3 hours |
| Breath hydrogen | Determination of breath hydrogen concentrations will be performed at fasting and after the standardized breakfast, following consumption of the test- or reference products the previous evening. Breath hydrogen will be determined at fasting and then at 30 min, 60 min, 90 min, 120 min, 150 min and at 180 min. Breath hydrogen will be measured by exhaling in a portable measuring device. | 3 hours |