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| Name | Class |
|---|---|
| The Ministry of Science, Technology and Innovation, Denmark | OTHER_GOV |
| Arla Foods | INDUSTRY |
| The Danish Dairy Research Foundation, Denmark | OTHER |
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The overall purpose of this study is to examine the effect of calcium on fecal fat and energy excretion.
Several reports have found inverse associations between calcium intake and body weight. Few intervention studies have shown that a high calcium diet resulted in a greater body weight loss than a low calcium diet. The mechanism is not clear, but one possible explanation is reduced absorption of fat in the gut, due to formation of insoluble calcium fatty acid soaps or binding of bile acids which impairs the formation of micelles.
The aim of this study is to examined for an association between habitual calcium intake and fecal energy and fat excretion, concentrations of substrates involved in energy metabolism, blood pressure and body weight
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| Measure | Description | Time Frame |
|---|---|---|
| Total fat and energy excretion | Total fat and energy excretion in faeces during the test period of 5 consecutive days | 5 days |
| Measure | Description | Time Frame |
|---|---|---|
| p-vitamin D | 1 day | |
| p-PTH | Parathyroid hormone (PTH) | 1 day |
| Selected genetic variations |
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Inclusion Criteria:
Exclusion Criteria:
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Residents of Copenhagen and Sjælland
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| Name | Affiliation | Role |
|---|---|---|
| Lesli H. Larsen, Ass. Prof. | Dept. of Human Nutrition, Faculty of Life Sciences, Univerity of Copenhagen | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Dept. of Human Nutrition, Faculty of Life Sciences, University of Copenhagen | Frederiksberg, Copenhagen | 1958 | Denmark |
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Whole blood, urine and faeces
DNA from blood sample |
| 1 day |
| Blood lipids and cholesterol | Total p-cholesterol, p-LDL, p-HDL, p-TG and p-FFA | 1 day |
| calcium excretion | Total calcium excretion in faeces and urin during the test period of 2 consecutive days | 2 days |
| Gut micro flora | Identification of gut micro flora | 1 day |
| NMR-spectroscopy based metabonomics profiling of urin | NMR-spectroscopy based metabonomics profiling of each test subject | 1 day |
| blood pressure | Resting blood pressure | 1 day |