Description and evaluation of an experimental model to examine changes in selection between high-protein, high-carbohydrate and high-fat foods in humans

Article Abstract:

A study was conducted to develop and evaluate an experimental model designed to assess changes in selection between foods individually enriched in protein, carbohydrates and fat in humans. Findings indicated that the model appears to be sensitive since it was able to detect significant changes in meal-to-meal energy and nutrient intake on the high-fat treatment in comparison with other treatments. The model was also able to distinguish between the effects of different macronutrients through psychometric responses relating to hunger, fullness and thirst.

Proteins, Fat, Fats, Nutrient interactions

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Breakfasts high in protein, fat or carbohydrate: effect on within-day appetite and energy balance

Article Abstract:

The intake of isoenergetic loads of proteins, carbohydrate and fat in men shows that protein has the largest and most sustained effect on the feeling of fullness over a 24 hour period. An enhanced rate of oxidative disposal of the positive protein balance, involved in the production and excretion of urea, causes the satiating effect. Carbohydrate quickly suppresses hunger whereas fat has a delayed effect. Large high-fat, high-carbohydrate or high-protein breakfasts influence hunger but are inadequate to motivate lunch-time intake five hours later.

Nutritional aspects, Breakfasts, Proteins in human nutrition, Dietary protein

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Overfeeding fat as monoglyceride or triglyceride: effect on appetite, nutrient balance and the subsequent day's energy intake

Article Abstract:

Six men were fed a medium fat (MF) maintenance diet in combination with various resting metabolic rate (RMR) calculations to analyze the effect of overfeeding isoenergetic diets that are full of 1-monoglyceride or triglyceride on nutrient oxidation, appetite and food and energy intake. The study concluded that 1-monoglyceride or triglyceride, when incorporated into a diet at large doses, affects appetite, feeding behavior and net nutrient balance in a manner similar to how triglyceride affects the same.

Ingestion, Triglycerides

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