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Effect of White Potatoes on Subjective Appetite, Food Intake, and Glycemic Response in Healthy Older Adults.


ABSTRACT: The objective of this study was to determine the effect of white potato cooking methods on subjective appetite, short-term food intake (FI), and glycemic response in healthy older adults. Using a within-subject, repeated-measures design, 20 participants (age: 70.4 ± 0.6 y) completed, in random order, five treatment conditions: three potato treatments (baked potatoes, mashed potatoes, and French fries), an isocaloric control treatment (white bread), or a fasting condition (meal skipping). Subjective appetite and glycemic response were measured for 120 min using visual analogue scales and capillary blood samples, respectively. Lunch FI was measured with an ad libitum pizza meal at 120 min. Change from baseline subjective appetite (p < 0.001) and lunch FI (p < 0.001) were lower after all test treatments compared with meal skipping (p < 0.001), but did not differ among test treatments. Cumulative FI (test treatment + lunch FI) did not differ among treatment conditions. Blood glucose concentrations were higher after all test treatments compared with meal skipping (p < 0.001), but were not different from each other. In healthy older adults, white potatoes suppressed subjective appetite and lunch FI compared with meal skipping, suggesting white potatoes do not bypass regulatory control mechanisms of FI.

SUBMITTER: Bellissimo N 

PROVIDER: S-EPMC7551271 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Effect of White Potatoes on Subjective Appetite, Food Intake, and Glycemic Response in Healthy Older Adults.

Bellissimo Nick N   Amalraj Robena R   Lee Jennifer J JJ   Brett Neil R NR   Totosy de Zepetnek Julia O JO   Proteau Sarah S   Rousseau Dérick D  

Nutrients 20200827 9


The objective of this study was to determine the effect of white potato cooking methods on subjective appetite, short-term food intake (FI), and glycemic response in healthy older adults. Using a within-subject, repeated-measures design, 20 participants (age: 70.4 ± 0.6 y) completed, in random order, five treatment conditions: three potato treatments (baked potatoes, mashed potatoes, and French fries), an isocaloric control treatment (white bread), or a fasting condition (meal skipping). Subject  ...[more]

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