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Nutrients 2015, 7(2), 1245-1266; doi:10.3390/nu7021245

Effects of Two Dietary Fibers as Part of Ready-to-Eat Cereal (RTEC) Breakfasts on Perceived Appetite and Gut Hormones in Overweight Women

1
Kellogg Company, WKKI 2 Hamblin Ave E, Battle Creek, MI 49017, USA
2
Department of Food Science and Human Nutrition, Michigan State University, 469 Wilson Road, East Lansing, MI 48824-1224, USA
3
Biofortis Clinical Research/Midwest Center for Metabolic & Cardiovascular Research, 489 Taft Avenue, Glen Ellyn, IL 60137, USA
4
Department of Nutrition & Exercise Physiology, University of Missouri, 307 Gwynn Hall, Columbia, MO 65211, USA
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 16 December 2014 / Revised: 23 January 2015 / Accepted: 4 February 2015 / Published: 13 February 2015
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Abstract

The effects of an enzyme-hydrolyzed arabinoxylan from wheat (AXOS) versus an intact arabinoxylan from flax (FLAX) added to a ready-to-eat cereal (RTEC) on the postprandial appetitive, hormonal, and metabolic responses in overweight women (BMI 25.0–29.9 kg/m2) were evaluated. Subsequent meal energy intake was also assessed. Two randomized, double-blind, crossover design studies were completed. For trial 1, the participants consumed the following RTEC breakfast, matched for total weight and varied in energy content: low-fiber (LF, 4 g); high-fiber (HF, 15 g) as either AXOS or FLAX. For trial 2, the participants consumed LF, HF-AXOS, and HF-FLAX RTECs but also consumed another LF breakfast that was isocaloric (LF-iso) to that of the HF breakfasts. Perceived appetite and blood samples (trial 2 only) were assessed before and after breakfast. An ad libitum lunch was offered 4 h post-breakfast. No differences in postprandial appetite responses were observed among any breakfasts in either trial. The HF-AXOS and HF-FLAX led to increased postprandial GLP-1 and peptide YY (PYY) concentrations vs. LF-iso. No differences were observed in lunch meal energy intake among breakfast meals in either trial. Collectively, these data suggest that 15 g of low molecular weight fiber added to RTECs did not affect perceived appetite or subsequent energy intake despite differences in satiety hormone signaling in overweight females. View Full-Text
Keywords: ready to eat cereal (RTEC); satiety; PYY; GLP-1; arabinoxylans; visual analogue scales (VAS) ready to eat cereal (RTEC); satiety; PYY; GLP-1; arabinoxylans; visual analogue scales (VAS)
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. (CC BY 4.0).

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MDPI and ACS Style

Lafond, D.W.; Greaves, K.A.; Maki, K.C.; Leidy, H.J.; Romsos, D.R. Effects of Two Dietary Fibers as Part of Ready-to-Eat Cereal (RTEC) Breakfasts on Perceived Appetite and Gut Hormones in Overweight Women. Nutrients 2015, 7, 1245-1266.

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