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The acute effect of commercially available pulse powders on postprandial glycaemic response in healthy young men
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The acute effect of commercially available pulse powders on postprandial glycaemic response in healthy young men
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Journal Article
The acute effect of commercially available pulse powders on postprandial glycaemic response in healthy young men
2014
Overview
Whole pulses (beans, peas, chickpeas and lentils) elicit low postprandial blood glucose (BG) responses in adults; however, their consumption in North America is low. One potential strategy to increase the dietary intake of pulses is the utilisation of commercial pulse powders in food products; however, it is unclear whether they retain the biological benefits observed with whole pulses. Therefore, the present study examined the effects of commercially prepared pulse powders on BG response before and after a subsequent meal in healthy young men. Overall, three randomised, within-subject experiments were conducted. In each experiment, participants received whole, puréed and powdered pulses (navy beans in Expt 1; lentils in Expt 2; chickpeas in Expt 3) and whole-wheat flour as the control. All treatments were controlled for available carbohydrate content. A fixed-energy pizza meal (50·2 kJ/kg body weight) was provided at 120 min. BG concentration was measured before (0–120 min) and after (140–200 min) the pizza meal. BG concentration peaked at 30 min in all experiments, and pulse forms did not predict their effect on BG response. Compared with the whole-wheat flour control, navy bean treatments lowered peak BG concentrations (Expt 1, P< 0·05), but not the mean BG concentration over 120 min. The mean BG concentration was lower for all lentil (Expt 2, P= 0·008) and chickpea (Expt 3, P= 0·002) treatments over 120 min. Processing pulses to powdered form does not eliminate the benefits of whole pulses on BG response, lending support to the use of pulse powders as value-added food ingredients to moderate postprandial glycaemic response.
Publisher
Cambridge University Press
Subject
/ adults
/ Biological and medical sciences
/ Cicer
/ Diabetes
/ Diet
/ Dietary Carbohydrates - metabolism
/ Fabaceae
/ Fundamental and applied biological sciences. Psychology
/ Human and Clinical Nutrition
/ Humans
/ Legumes
/ lentils
/ Male
/ Meals
/ men
/ Obesity
/ peas
/ pizza
/ Powders
/ Seeds
/ Vertebrates: anatomy and physiology, studies on body, several organs or systems
/ Wheat
