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Xu-Feng Huang

2013

Overweight

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Full-Text Articles in Medicine and Health Sciences

Increases In Peptide Y-Y Levels Following Oat Β-Glucan Ingestion Are Dose-Dependent In Overweight Adults, Eleanor J. Beck, Linda C. Tapsell, Marijka J. Batterham, Susan M. Tosh, Xu-Feng Huang Feb 2013

Increases In Peptide Y-Y Levels Following Oat Β-Glucan Ingestion Are Dose-Dependent In Overweight Adults, Eleanor J. Beck, Linda C. Tapsell, Marijka J. Batterham, Susan M. Tosh, Xu-Feng Huang

Xu-Feng Huang

Peptide Y-Y (PYY) is an anorexigenic hormone implicated in appetite control, and β-glucan is a fiber known to affect appetite. We hypothesized that plasma PYY levels would increase in overweight human adults consuming increasing doses of β-glucan. The objective was to test whether the effect could be seen with β-glucan delivered through extruded cereals containing a high β-glucan oat bran with demonstrated high molecular weight and solubility. Fourteen subjects consumed a control meal and 3 cereals of varying β-glucan concentration (between 2.2 and 5.5 g), and blood samples were collected over 4 hours. Analysis of raw PYY data showed a …


Oat Β-Glucan Supplementation Does Not Enhance The Effectiveness Of An Energy-Restricted Diet In Overweight Women, Eleanor J. Beck, Linda C. Tapsell, Marijka J. Batterham, Susan M. Tosh, Xu-Feng Huang Feb 2013

Oat Β-Glucan Supplementation Does Not Enhance The Effectiveness Of An Energy-Restricted Diet In Overweight Women, Eleanor J. Beck, Linda C. Tapsell, Marijka J. Batterham, Susan M. Tosh, Xu-Feng Huang

Xu-Feng Huang

Epidemiological evidence shows an inverse relationship between dietary fibre intake and body weight gain. Oat β-glucan, a soluble fibre alters appetite hormones and subjective satiety in acute meal test studies, but its effects have not been demonstrated with chronic consumption. The present study aimed to test the effects in women of two different doses of oat β-glucan on weight loss and hormones associated with appetite regulation. In a 3-month parallel trial, sixty-six overweight females were randomised into one of three 2 MJ energy-deficit diets: a control and two interventions including 5–6 g or 8–9 g β-glucan. Anthropometric and metabolic variables …


Oat Β-Glucan Increases Postprandial Cholecystokinin Levels, Decreases Insulin Response And Extends Subjective Satiety In Overweight Subjects, Eleanor Beck, Susan Tosh, Marijka Batterham, Linda Tapsell, Xu-Feng Huang Feb 2013

Oat Β-Glucan Increases Postprandial Cholecystokinin Levels, Decreases Insulin Response And Extends Subjective Satiety In Overweight Subjects, Eleanor Beck, Susan Tosh, Marijka Batterham, Linda Tapsell, Xu-Feng Huang

Xu-Feng Huang

This study recorded acute biochemical and subjective measures of satiety, followed by energy intake from a subsequent meal, after varying doses of β-glucan in extruded breakfast cereals. Molecular weight, solubility and viscosity of β-glucan products were determined. Seven male and seven female subjects (BMI 25–36 kg/m) consumed five breakfasts (different doses of β-glucan sourced from two different technological processes) and dietary intake was measured after four hours. Blood was collected to measure glucose, insulin, ghrelin and cholecystokinin, and visual analogue scales measured subjective satiety. Molecular weight, solubility and viscosity indicated products were likely to increase luminal viscosity. β-Glucan was found …