RecruitingNot ApplicableNCT07230951

Interaction Between White Potato Consumption and Meal Timing on Glycemic Response and Appetite in Adults

Interaction Between White Potato Consumption and Meal Timing on Glycemic Response, Subjective Appetite, and Energy Intake in Adults.


Sponsor

Toronto Metropolitan University

Enrollment

30 participants

Start Date

Oct 30, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of this study is to evaluate the interaction between white potato consumption and meal timing on glycemic response, subjective appetite, and energy intake in adults. The investigators hypothesize that white potatoes will modulate glycemic response, enhance satiety, and mitigate subsequent meal consumption and overall food intake when compared with meals containing low glycemic carbohydrates. Furthermore, they anticipate that the timing of white potato consumption will yield differential effects, with breakfast consumption exerting a more pronounced impact on satiety and subsequent food intake reduction compared to dinner consumption.


Eligibility

Min Age: 18 YearsMax Age: 65 Years

Inclusion Criteria2

  • years
  • within the healthy body weight range \[body mass index (BMI) between 18.5 - 24.9 kg/m2\].

Exclusion Criteria6

  • have a previous diagnosis of diabetes and gastrointestinal, liver or kidney disease;
  • have had a major medical or surgical event within the past 6 months;
  • have had any significant weight fluctuation in the past 6-months;
  • are taking medication that may influence dependent measures;
  • are or have been on a diet within the past 6 months;
  • skip breakfast or are unable to consume test treatment food.

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Interventions

OTHEROven-baked Home Fries

Oven-baked Home Fries (241 g; McCain Ltd.). Test treatments matched for calories (284 kcal)

OTHEROven-baked White Russet Potato

Oven-baked White Russet Potato (299 g). Test treatments matched for calories (284 kcal)

OTHEROven-baked Fries

Oven-baked Fries (201 g; McCain Ltd.). Test treatments matched for calories (284 kcal)

OTHERDeep Fried, Quick Serve Fries

Deep Fried, Quick Serve Fries (108 g; McCain Ltd.). Test treatments matched for calories (284 kcal)

OTHEROven-baked Cauliflower Veggie Tots

Oven-baked Cauliflower Veggie Tots (186 g; Green Giant). Test treatments matched for calories (284 kcal)

OTHERNo Side

No side control (no caloric contribution).


Locations(1)

Centre for Urban Innovation (CUI-109), School of Nutrition, Toronto Metropolitan University

Toronto, Ontario, Canada

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NCT07230951


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