Timing of Peak Blood Glucose after Breakfast Meals of Different Glycemic Index in Women with Gestational DiabetesReport as inadecuate




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1

School of Health Sciences, Faculty of Health and Behavioral Sciences, The University of Wollongong, Wollongong, NSW 2522, Australia

2

School of Molecular Bioscience, Boden Institute of Obesity, Nutrition, Exercise and Eating Disorders, The University of Sydney, Sydney, NSW 2006, Australia

3

Department of Endocrinology, Royal Prince Alfred Hospital, Camperdown, NSW 2050, Australia

4

Department of Nutrition and Dietetics, Royal Prince Alfred Hospital, Camperdown, NSW 2050, Australia





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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. View Full-Text

Keywords: glycemic index; breakfast; gestational diabetes mellitus; pregnancy; peak blood glucose level glycemic index; breakfast; gestational diabetes mellitus; pregnancy; peak blood glucose level





Author: Jimmy Chun Yu Louie 1,2, Tania P. Markovic 2,3, Glynis P. Ross 3, Deborah Foote 4 and Jennie C. Brand-Miller 2,*

Source: http://mdpi.com/



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