Protein Concentrations in Yogurt and Satiety, Food Intake and Glycemia in Healthy Men

Study Overview
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Brief Summary
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This study compared the effects of dairy products, including milk and yogurt, with different amounts of proteins on responses of appetite, glucose and insulin and on food intake at a meal served 120 minutes later in healthy adult male individuals.

Official Title
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Effect of Varied Protein Concentrations in Greek Yogurt on Glycemic Response, Satiety and Next Meal Food Intake in Healthy Young Men

Conditions
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Healthy, Glucose Metabolism

Intervention / Treatment
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* Other: Dietary intervention


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Age: 20-30 years Body mass index: 20 and 24.9 kg/m2 Exclusion Criteria: Breakfast skippers, Smokers, Dieters, Individuals with lactose-intolerance or who are allergic to milk, Individuals with gastrointestinal problems and Individuals with diabetes or other metabolic diseases

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 30 Years

Sexes Eligible for Study
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Male

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Non-fat Yogurt-Plain flavored<br>Protein to carbohydrate ratio: 2.30 | Other: Dietary intervention<br>* All snacks (arms) were randomly given to subjects to be consumed within 5 minutes, after 4 hours of consuming a standard breakfast.<br>|
| Experimental: Skim milk<br>Protein to carbohydrate ratio: 0.69 | Other: Dietary intervention<br>* All snacks (arms) were randomly given to subjects to be consumed within 5 minutes, after 4 hours of consuming a standard breakfast.<br>|
| Experimental: Non-fat Yogurt with honey-Plain flavored<br>Protein to carbohydrate ratio: 1.24 | Other: Dietary intervention<br>* All snacks (arms) were randomly given to subjects to be consumed within 5 minutes, after 4 hours of consuming a standard breakfast.<br>|
| Experimental: Orange juice<br>Protein to carbohydrate ratio: 0.07 | Other: Dietary intervention<br>* All snacks (arms) were randomly given to subjects to be consumed within 5 minutes, after 4 hours of consuming a standard breakfast.<br>|
| Experimental: Non-fat Yogurt-Strawberry flavored<br>Protein to carbohydrate ratio: 0.79 | Other: Dietary intervention<br>* All snacks (arms) were randomly given to subjects to be consumed within 5 minutes, after 4 hours of consuming a standard breakfast.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Food intake | Calories consumed at the test meal | 120 minutes after consumption of treatments | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Glycemia | Glycemic responses in the pre- and post-test meal periods | Pre-(0-120 min) and post-(120-260 min) meal periods | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Yogurt, Milk, Protein, Food intake, Appetite, Glucose, Insulin