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Issue 3, 2020
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Food prototype containing resistant starch type 4 on postprandial glycemic response in healthy adults

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Abstract

Resistant starch (RS) is a variant of starch that is indigestible by human enzymes and has been acknowledged for multiple physiological benefits including attenuation of postprandial glycemia when incorporated into foods. Distarch phosphate is a RS type 4 (RS4) containing phosphodiester cross-links within and between starch molecules. Considering the importance of RS to human health, the present study aimed to investigate the dose response effect of a novel RS4 (potato-derived distarch phosphate – (VERSAFIBE 1490™) on acute postprandial glycemic responses compared with energy/available carbohydrate and sugar-matched control. The study was designed as a controlled, single-center randomized, single-blinded, cross-over trial, in which 31 healthy adults consumed a baked breakfast cereal bar containing 0, 10 or 20 g RS4 followed by serial blood samples over two hours to determine glucose and insulin concentrations and calculate the incremental area under the curve (iAUC). Results suggest that the addition of RS4 did not reduce iAUC glucose or insulin responses significantly (P > 0.05) at the doses provided. No significant changes in the glucose or insulin maximum concentration (Cmax) and time to reach maximal glucose and insulin concentrations (Tmax) were observed (P > 0.05). Overall, this particular RS4 did not affect measures of glycemia in healthy individuals at doses provided in ready-to-eat baked-good.

Graphical abstract: Food prototype containing resistant starch type 4 on postprandial glycemic response in healthy adults

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Article information


Submitted
12 Nov 2019
Accepted
18 Feb 2020
First published
19 Feb 2020

Food Funct., 2020,11, 2231-2237
Article type
Paper

Food prototype containing resistant starch type 4 on postprandial glycemic response in healthy adults

Y. Du, Y. Wu, D. Xiao, G. Guzman, M. L. Stewart, V. Gourineni, B. Burton-Freeman and I. Edirisinghe, Food Funct., 2020, 11, 2231
DOI: 10.1039/C9FO02674F

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