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Nutrients 2013, 5(1), 1-9; doi:10.3390/nu5010001
Article

Timing of Peak Blood Glucose after Breakfast Meals of Different Glycemic Index in Women with Gestational Diabetes

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Received: 5 November 2012; in revised form: 5 December 2012 / Accepted: 18 December 2012 / Published: 21 December 2012
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Abstract: This study aims to determine the peak timing of postprandial blood glucose level (PBGL) of two breakfasts with different glycemic index (GI) in gestational diabetes mellitus (GDM). Ten women with diet-controlled GDM who were between 30 and 32 weeks of gestation were enrolled in the study. They consumed two carbohydrate controlled, macronutrient matched bread-based breakfasts with different GI (low vs. high) on two separate occasions in a random order after an overnight fast. PBGLs were assessed using a portable blood analyser. Subjects were asked to indicate their satiety rating at each blood sample collection. Overall the consumption of a high GI breakfast resulted in a greater rise in PBGL (mean ± SEM peak PBGL: low GI 6.7 ± 0.3 mmol/L vs. high GI 8.6 ± 0.3 mmol/L; p < 0.001) and an earlier peak PBGL time (16.9 ± 4.9 min earlier; p = 0.015), with high variability in PBGL time between subjects. There was no significant difference in subjective satiety throughout the test period. In conclusion, the low GI breakfast produced lower postprandial glycemia, and the peak PBGL occurred closer to the time recommended for PBGL monitoring (i.e., 1 h postprandial) in GDM than a macronutrient matched high GI breakfast.
Keywords: glycemic index; breakfast; gestational diabetes mellitus; pregnancy; peak blood glucose level glycemic index; breakfast; gestational diabetes mellitus; pregnancy; peak blood glucose level
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Louie, J.C.Y.; Markovic, T.P.; Ross, G.P.; Foote, D.; Brand-Miller, J.C. Timing of Peak Blood Glucose after Breakfast Meals of Different Glycemic Index in Women with Gestational Diabetes. Nutrients 2013, 5, 1-9.

AMA Style

Louie JCY, Markovic TP, Ross GP, Foote D, Brand-Miller JC. Timing of Peak Blood Glucose after Breakfast Meals of Different Glycemic Index in Women with Gestational Diabetes. Nutrients. 2013; 5(1):1-9.

Chicago/Turabian Style

Louie, Jimmy C.Y.; Markovic, Tania P.; Ross, Glynis P.; Foote, Deborah; Brand-Miller, Jennie C. 2013. "Timing of Peak Blood Glucose after Breakfast Meals of Different Glycemic Index in Women with Gestational Diabetes." Nutrients 5, no. 1: 1-9.



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