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Open AccessArticle

Efficacy of Isomaltulose Compared to Sucrose in Modulating Endothelial Function in Overweight Adults

1
Imagelabonline & Cardiovascular, 4117 GV Erichem, The Netherlands
2
Amsterdam UMC—Location Academic Medical Centre, Departments of Clinical Epidemiology, Biostatistics and Bioinformatics, and Gastroenterology, 1105 AZ Amsterdam, The Netherlands
3
BENEO-Institute, c/o BENEO GmbH, Wormser Straße 11, 67283 Obrigheim, Pfalz, Germany
*
Author to whom correspondence should be addressed.
Nutrients 2020, 12(1), 141; https://doi.org/10.3390/nu12010141 (registering DOI)
Received: 11 October 2019 / Revised: 10 December 2019 / Accepted: 31 December 2019 / Published: 3 January 2020
(This article belongs to the Special Issue Nutrition on Endothelial Function)
Hyperglycemia is linked to impaired arterial endothelial function (EF), an early sign of cardiovascular disease. We compared the efficacy of low-glycemic index isomaltulose (Palatinose™) with that of sucrose in modulating EF, as assessed by flow-mediated dilation (FMD). In this double-blinded cross-over study, 80 overweight mildly hypertensive subjects were randomized to receive 50 g of either isomaltulose or sucrose. On two non-consecutive days, brachial artery ultrasound FMD scans were obtained prior to and hourly (T0–T3) after carbohydrate load. Blood was drawn immediately after scanning. Glucose and insulin levels were analyzed. Overall, the FMD decrease was attenuated by isomaltulose compared to sucrose (ΔFMD = −0.003% and −0.151%; p > 0.05 for the interaction treatment x period). At T2, FMD was significantly higher after isomaltulose administration compared to that after sucrose administration (FMD = 5.9 ± 2.9% and 5.4 ± 2.6%, p = 0.047). Pearson correlations between FMD and blood glucose showed a trend for a negative association at T0 and T2 independently of the carbohydrate (r-range = −0.20 to −0.23, p < 0.1). Sub-analysis suggested a lower FMD in insulin-resistant (IR) compared to insulin-sensitive subjects. Isomaltulose attenuated the postprandial decline of FMD, particularly in IR persons. These data support the potential of isomaltulose to preserve the endothelial function postprandially and consequently play a favorable role in cardiovascular health.
Keywords: isomaltulose; endothelial function; glycemic index; carbohydrates; insulin resistance; cardiovascular health isomaltulose; endothelial function; glycemic index; carbohydrates; insulin resistance; cardiovascular health
MDPI and ACS Style

de Groot, E.; Schweitzer, L.; Theis, S. Efficacy of Isomaltulose Compared to Sucrose in Modulating Endothelial Function in Overweight Adults. Nutrients 2020, 12, 141.

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