• Christine H Emilien, Yong Zhu, Walter H Hsu, Patricia Williamson, and James H Hollis.
• Department of Food Science and Human Nutrition, Iowa State University, Ames, Iowa, USA.
• Nutrition. 2018 Mar 1; 47: 6-12.

ObjectivesThis crossover study investigated the effect of consuming a beverage that contains soluble fiber dextrin (SFD) on appetite and food intake in adults to test the hypothesis that beverages that contain 10 or 20 g of fiber from SFD would be more satiating than the control beverage.MethodsForty-one participants consumed lunch with a beverage that contained 0 g, 10 g, or 20 g of fiber from SFD. Appetite questionnaires were completed and blood samples collected immediately before lunch and at regular intervals over the following 150 min. Then, participants were provided with an afternoon snack and the amount eaten was recorded. Participants then left the laboratory but were asked to complete hourly appetite questionnaires and record food intake for the remainder of the day.ResultsConsuming SFD had no effect on appetite over the 150 min after consumption of the lunch meal (P > 0.05). Hunger and desire to eat were lower and fullness higher after consumption of the beverage that contained 20 g of fiber from SFD (P < 0.05) after participants left the laboratory. There was no effect of consuming SFD on food intake at the snack meal or for the rest of the day (P > 0.05). Plasma glucose-dependent insulintropic polypeptide was lower during the 150 min after consumption of 20 g fiber from the SFD beverage (P < 0.05). There was no treatment effect on the plasma concentration of other biomarkers of glycemic response or appetite (P > 0.05).ConclusionsOverall, the study results did not show an effect of SFD on appetite, food intake, and plasma markers of appetite for the first 150 min postconsumption. Further research is required to quantify how SFD influences appetite several hours after consumption.Copyright © 2017 Elsevier Inc. All rights reserved.

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