The Effect of Breakfast Protein Source on Postprandial Hunger and Glucose Response in Women

doi:10.1096/fasebj.29.1_supplement.599.3

Paper

The Effect of Breakfast Protein Source on Postprandial Hunger and Glucose Response in Women

Published Apr 1, 2015 · C. Crowder, Brianna L. Neumann, Dallas Johnson

The FASEB Journal

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Abstract

Currently, there is debate as to what the macronutrient composition of breakfast should be for optimal health. Studies have shown that subjects who eat a breakfast high in protein (PRO) stay fuller throughout day compared to subjects who consumed a carbohydrate (CHO)‐based breakfast. The objective of this study was to determine if protein quality (animal v plant) at breakfast makes a difference in postprandial (pp) satiety and glucose response when compared to a standard CHO‐based breakfast. Normal weight women (n=7) ages 18‐36 were provided 3 isocaloric breakfasts: animal PRO (30% PRO, 40% CHO, 30% fat), plant PRO (30% PRO, 45% CHO, 30% fat), and CHO‐based (20% PRO, 50% CHO, 30% fat). Breakfasts were consumed in a randomized, crossover design with at least a 1‐week washout period between each breakfast. Satiety and glucose measurements were taken at 0, 15, 30, 45, 60, 90, 120‐min postprandial. Subjects preferred (P < 0.05) the taste and appearance of the animal PRO over the plant PRO and CHO‐based breakfasts and the plant PRO was preferred (P < 0.05) to the CHO‐based breakfast. There was no significant difference in satiety response to the 3 breakfasts over the 2‐hour pp period. In addition, there was no significant difference in glucose response over the 2‐hour pp period. However, subjects had a lower peak in pp glucose at 30 min after consuming animal PRO (36.2%) compared to plant PRO (44%) and CHO‐based (47.8%). Although there is no difference in satiety response, these data suggest that consumption of an animal PRO breakfast results in a lower pp glucose response. Funded by University of Arkansas Honors Grant.

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Study Snapshot

Key takeawayConsuming an animal protein breakfast results in a lower postprandial glucose response compared to plant protein and CHO-based breakfasts in women.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

The Effect of Breakfast Protein Source on Postprandial Hunger and Glucose Response in Women

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References

Citations

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Increasing omega-3 fatty acids in schoolaged children's diets may improve energy expenditure, satiety, and metabolic responses throughout the day.