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Ingesting breakfast meals of different glycaemic load does not alter cognition and satiety in children.
Eur J Clin Nutr 2012; 66(10):1166-71EJ

Abstract

BACKGROUND/OBJECTIVES

The effect of Glycaemic Index (GI) and Load (GL) of breakfasts on satiety and aspects of cognitive function in children is inconclusive. We aimed to assess if isocaloric breakfasts differing in GL (by replacing high-GI carbohydrate foods with dairy protein foods) acutely alter cognitive function and satiety in 10- to 12-year-old children.

SUBJECTS/METHODS

A total of 39 children, aged 11.6±0.7 years with body mass index 18.9±3.0 kg/m² (Mean±s.e.) participated in a randomised crossover trial of three isocaloric breakfasts (1.3 MJ): high GL (HGL: 7 g protein, 9 g fat, 50 g carbohydrate, GL 33); medium GL (MGL: 14 g protein, 9 g fat, 45 g carbohydrate, GL 24) and low GL (LGL: 18 g protein, 10 g fat, 38 g carbohydrate, GL 18). Blood glucose was recorded using a continuous glucose monitor. Subjective hunger and cognitive performance were measured before and hourly after consuming the test breakfast via a computer-delivered battery. Ad libitum intake at a buffet lunch meal was measured at 3 h at the end of testing.

RESULTS

Incremental area under the glucose curve (iAUC) was significantly different with HGL>MGL>LGL (P<0.001). Glucose concentrations fell below baseline after 83±6 min for HGL, 63±5 min (MGL) and 67±5 min (LGL)(P=0.009). Breakfast GL did not significantly alter changes in cognitive function or self-reported satiety throughout testing. Energy intake at lunch was not significantly different between treatments (HGL 2943±168 kJ; MGL 2949±166 kJ; LGL 2993±191 kJ).

CONCLUSIONS

Reducing breakfast GL by replacing carbohydrate with protein does not alter satiety or cognition over 3 h in 10- to 12-year-old children.

Authors+Show Affiliations

Commonwealth Scientific and Industrial Research Organisation-Food and Nutritional Sciences, Adelaide, South Australia, Australia. emily.brindal@csiro.auNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Comparative Study
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22872029

Citation

Brindal, E, et al. "Ingesting Breakfast Meals of Different Glycaemic Load Does Not Alter Cognition and Satiety in Children." European Journal of Clinical Nutrition, vol. 66, no. 10, 2012, pp. 1166-71.
Brindal E, Baird D, Danthiir V, et al. Ingesting breakfast meals of different glycaemic load does not alter cognition and satiety in children. Eur J Clin Nutr. 2012;66(10):1166-71.
Brindal, E., Baird, D., Danthiir, V., Wilson, C., Bowen, J., Slater, A., & Noakes, M. (2012). Ingesting breakfast meals of different glycaemic load does not alter cognition and satiety in children. European Journal of Clinical Nutrition, 66(10), pp. 1166-71. doi:10.1038/ejcn.2012.99.
Brindal E, et al. Ingesting Breakfast Meals of Different Glycaemic Load Does Not Alter Cognition and Satiety in Children. Eur J Clin Nutr. 2012;66(10):1166-71. PubMed PMID: 22872029.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Ingesting breakfast meals of different glycaemic load does not alter cognition and satiety in children. AU - Brindal,E, AU - Baird,D, AU - Danthiir,V, AU - Wilson,C, AU - Bowen,J, AU - Slater,A, AU - Noakes,M, Y1 - 2012/08/08/ PY - 2012/8/9/entrez PY - 2012/8/9/pubmed PY - 2013/2/28/medline SP - 1166 EP - 71 JF - European journal of clinical nutrition JO - Eur J Clin Nutr VL - 66 IS - 10 N2 - BACKGROUND/OBJECTIVES: The effect of Glycaemic Index (GI) and Load (GL) of breakfasts on satiety and aspects of cognitive function in children is inconclusive. We aimed to assess if isocaloric breakfasts differing in GL (by replacing high-GI carbohydrate foods with dairy protein foods) acutely alter cognitive function and satiety in 10- to 12-year-old children. SUBJECTS/METHODS: A total of 39 children, aged 11.6±0.7 years with body mass index 18.9±3.0 kg/m² (Mean±s.e.) participated in a randomised crossover trial of three isocaloric breakfasts (1.3 MJ): high GL (HGL: 7 g protein, 9 g fat, 50 g carbohydrate, GL 33); medium GL (MGL: 14 g protein, 9 g fat, 45 g carbohydrate, GL 24) and low GL (LGL: 18 g protein, 10 g fat, 38 g carbohydrate, GL 18). Blood glucose was recorded using a continuous glucose monitor. Subjective hunger and cognitive performance were measured before and hourly after consuming the test breakfast via a computer-delivered battery. Ad libitum intake at a buffet lunch meal was measured at 3 h at the end of testing. RESULTS: Incremental area under the glucose curve (iAUC) was significantly different with HGL>MGL>LGL (P<0.001). Glucose concentrations fell below baseline after 83±6 min for HGL, 63±5 min (MGL) and 67±5 min (LGL)(P=0.009). Breakfast GL did not significantly alter changes in cognitive function or self-reported satiety throughout testing. Energy intake at lunch was not significantly different between treatments (HGL 2943±168 kJ; MGL 2949±166 kJ; LGL 2993±191 kJ). CONCLUSIONS: Reducing breakfast GL by replacing carbohydrate with protein does not alter satiety or cognition over 3 h in 10- to 12-year-old children. SN - 1476-5640 UR - https://www.unboundmedicine.com/medline/citation/22872029/Ingesting_breakfast_meals_of_different_glycaemic_load_does_not_alter_cognition_and_satiety_in_children_ L2 - http://dx.doi.org/10.1038/ejcn.2012.99 DB - PRIME DP - Unbound Medicine ER -