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Dairy products consumption is widely recommended in a healthy diet not only for bone growth and maintenance, but also as a protein, calcium and magnesium sources for an adequate diet. However, dairy products are a major dietary source of saturated fat that is associated with increased risk of coronary heart disease. ln this context, dietary guidelines still advocate a restriction in dietary saturated fat for optimal heart health. Nevertheless, the association between saturated fat and the risk of heart disease remains highly controversial within the scientific community. There is also emerging evidence that the impact of dietary saturated fat will be significantly influenced by the food matrix through which it is provided. Recent studies indicate that cheese could have a major influence on intestinal fat absorption and the magnitude of the after meal release of fat in blood circulation. This is of interest because substantial evidence exists indicating that elevated levels of the after meal fat levels are associated with increased cardiovascular risk. Therefore, the improvement of the after meal fat levels produced by cheese consumption could well be part of novel therapeutic approaches contributing to improve cardiovascular risk.
The general objective of the proposed research is to investigate how cheese consumption affects the after meal release of fat in blood circulation in healthy subjects. Our hypothesis is that, compared to butter, cheese consumption will have a beneficial impact on the after meal fat levels in healthy subjects. Favourable results from the proposed study will provide novel and much warranted evidence on the importance of considering changes in the after meal fat levels, not only bad cholesterol, as part of the on-going saturated fat-heart disease debate and that cheese should indeed be part of a healthy diet.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Test meal (butter) | Experimental | Subjects will eat one test meal containing 33g of lipids from butter (percent of total caloric intake: 15.0% from proteins; 53.0% from carbohydrates; 32.0% from fat). |
|
| Test meal (cheddar cheese) | Experimental | Subjects will eat one test meal containing 33g of lipids from cheddar cheese (percent of total caloric intake: 15.0% from proteins; 53.0% from carbohydrates; 32.0% from fat). |
|
| Test meal (cream cheese) | Experimental | Subjects will eat one test meal containing 33g of lipids from cream cheese (percent of total caloric intake: 15.0% from proteins; 53.0% from carbohydrates; 32.0% from fat). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Test meal (butter) | Other | Subjects will eat one meal test containing 33g of lipids from butter (percent of total caloric intake: 15.0% from proteins; 53.0% from carbohydrates; 32.0% from fat). |
| Measure | Description | Time Frame |
|---|---|---|
| Change in triglyceride concentrations 4h following the test meals ingestion | At week 0, week 2 and week 4 (at the end of the three test meals). |
| Measure | Description | Time Frame |
|---|---|---|
| Change in triglyceride concentrations (area under the curve) following the test meals ingestion | At week 0, week 2 and week 4 (at the end of the three test meals). | |
| Change in free fatty acids concentrations (area under the curve) following the test meals ingestion |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Patrick Couture, MD, PhD, FRCP | Laval University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institute of Nutrition and Functional Foods (INAF) | Québec | Quebec | G1V 0A6 | Canada |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 28978543 | Derived | Drouin-Chartier JP, Tremblay AJ, Maltais-Giguere J, Charest A, Guinot L, Rioux LE, Labrie S, Britten M, Lamarche B, Turgeon SL, Couture P. Differential impact of the cheese matrix on the postprandial lipid response: a randomized, crossover, controlled trial. Am J Clin Nutr. 2017 Dec;106(6):1358-1365. doi: 10.3945/ajcn.117.165027. Epub 2017 Oct 4. |
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| ID | Term |
|---|---|
| D002079 | Butter |
| ID | Term |
|---|---|
| D004041 | Dietary Fats |
| D005223 | Fats |
| D008055 | Lipids |
| D003611 | Dairy Products |
| D005502 |
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| Test meal (cheddar cheese) | Other | Subjects will eat one meal test containing 33g of lipids from cheddar cheese (percent of total caloric intake: 15.0% from proteins; 53.0% from carbohydrates; 32.0% from fat). |
|
| Test meal (cream cheese) | Other | Subjects will eat one meal test containing 33g of lipids from cream cheese (percent of total caloric intake: 15.0% from proteins; 53.0% from carbohydrates; 32.0% from fat). |
|
| At week 0, week 2 and week 4 (at the end of the three test meals). |
| Change in apolipoprotein B48 concentrations (area under the curve) following the test meals ingestion | At week 0, week 2 and week 4 (at the end of the three test meals). |
| Food |
| D000066888 | Diet, Food, and Nutrition |
| D010829 | Physiological Phenomena |
| D019602 | Food and Beverages |