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The effect of breakfast type and frequency of consumption on glycemic response in overweight/obese late adolescent girls

25/02/2015

Background/Objectives

The primary aim was to examine the daily glycemic response to normal-protein (NP) vs higher-protein (HP) breakfasts in overweight adolescents who habitually skip breakfast (H-BS). The secondary aim examined whether the glycemic response to these meals differed in H-BS vs habitual breakfast consumers (H-BC).

Subjects/Methods

Thirty-five girls (age: 19±1 year; body mass index: 28.4±0.7 kg/m2) participated in the semi-randomized crossover-design study. The participants were grouped according to habitual breakfast frequency. H-BS (n=20) continued to skip breakfast (BS) or consumed a NP (12 g protein) or HP (32 g protein) breakfast for 3 days, whereas the H-BC (n=15) completed the NP and HP breakfast conditions for 3 days. On day 4 of each pattern, an 8 h testing day was completed. The respective breakfast and a standard lunch meal were provided, and plasma was collected to assess morning, afternoon, and total glucose and insulin area under the curves (AUC).

Results

In H-BS, the addition of a HP breakfast increased total glucose AUC vs BS (P<0.05), whereas NP breakfast increased total insulin AUC vs BS (P<0.05). In H-BC, the HP breakfast reduced morning, afternoon and total glucose AUCs vs NP (all, P<0.05). No differences in insulin were detected. When comparing the HP–NP differential glycemic responses between groups, H-BS experienced greater afternoon and total glucose AUCs following HP vs NP breakfasts (both, P<0.05). No differences in insulin responses were observed between groups.

Conclusions

Novel differences in the glucose response to HP vs NP breakfasts were observed and were influenced by the frequency of habitual breakfast consumption in overweight adolescents.

Reference

Alwattar AY,Thyfault JP, Leidy HJ. The effect of breakfast type and frequency of consumption on glycemic response in overweight/obese late adolescent girls. European Journal of Clinical Nutrition, 2015; DOI: 10.1038/ejcn.2015.12

 

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