The Benefits of Consuming Hummus as an Afternoon Snack
| Status: | Recruiting |
|---|---|
| Healthy: | No |
| Age Range: | 18 - 50 |
| Updated: | 7/25/2018 |
| Start Date: | June 8, 2018 |
| End Date: | December 2018 |
| Contact: | Heather J Leidy, PhD |
| Email: | hleidy@purdue.edu |
| Phone: | 765-496-0184 |
The Benefits of Consuming Hummus as an Afternoon Snack on Appetite Control, Daily Food Intake, and Diet Quality in Adults
The investigators propose a randomized snack study in normal to overweight adults that will
test whether the consumption of different afternoon snacks will have different effects on
appetite, mood, blood sugar control, and food intake.
Aim 1: To examine whether the addition of hummus as part of an afternoon snack will improve
diet quality, particularly through assessments of daily:
- Vegetable consumption
- Snacking behavior
- Energy intake
- Food choices
Aim 2: To examine whether the addition of hummus as part of an afternoon snack will improve
appetite control and satiety including assessments of:
- Appetite Control (hunger, desire to eat, prospective food consumption)
- Cravings (sweet, salty, savory)
- Satiety (fullness)
- Eating initiation
Aim 3: To examine whether the addition of hummus as part of an afternoon snack will improve
free-living glycemic control.
Aim 4: To explore whether the addition of hummus as part of an afternoon snack will improve
mood/energy states
test whether the consumption of different afternoon snacks will have different effects on
appetite, mood, blood sugar control, and food intake.
Aim 1: To examine whether the addition of hummus as part of an afternoon snack will improve
diet quality, particularly through assessments of daily:
- Vegetable consumption
- Snacking behavior
- Energy intake
- Food choices
Aim 2: To examine whether the addition of hummus as part of an afternoon snack will improve
appetite control and satiety including assessments of:
- Appetite Control (hunger, desire to eat, prospective food consumption)
- Cravings (sweet, salty, savory)
- Satiety (fullness)
- Eating initiation
Aim 3: To examine whether the addition of hummus as part of an afternoon snack will improve
free-living glycemic control.
Aim 4: To explore whether the addition of hummus as part of an afternoon snack will improve
mood/energy states
Experimental Design: For 6 consecutive days/treatment, the participants will consume either
hummus and pretzels, granola bars, or no snack between 2-4 pm and refrain from eating
anything else during this time. On day 7, the participants will consume a standard breakfast,
at home, and will come in to the investigator's facility 1 h prior to their habitual lunch
time. The participants will be placed in a comfortable room, void of all time cues and a
standardized lunch will be consumed. At 3 h after lunch, the participants will complete
baseline appetite, satiety, and mood questionnaires. The respective snack will be given to
the participants, and they will have 20 minutes to eat the snack. Snack palatability will
also be assessed. The participants will continue to complete the previous questionnaires
until they voluntarily choose to eat (again). At 3 h after snack, they will be presented with
ad libitum dinner and evening snacks. They will be permitted to eat as much or as little as
they would like to eat over the remainder of the day. In addition, from day 3 to day 8 of the
testing week, continuous glucose monitoring will be completed to assess glucose control.
hummus and pretzels, granola bars, or no snack between 2-4 pm and refrain from eating
anything else during this time. On day 7, the participants will consume a standard breakfast,
at home, and will come in to the investigator's facility 1 h prior to their habitual lunch
time. The participants will be placed in a comfortable room, void of all time cues and a
standardized lunch will be consumed. At 3 h after lunch, the participants will complete
baseline appetite, satiety, and mood questionnaires. The respective snack will be given to
the participants, and they will have 20 minutes to eat the snack. Snack palatability will
also be assessed. The participants will continue to complete the previous questionnaires
until they voluntarily choose to eat (again). At 3 h after snack, they will be presented with
ad libitum dinner and evening snacks. They will be permitted to eat as much or as little as
they would like to eat over the remainder of the day. In addition, from day 3 to day 8 of the
testing week, continuous glucose monitoring will be completed to assess glucose control.
Inclusion Criteria:
- normal to overweight (BMI: 18-32 kg/m2)
- no metabolic, psychological, or neurological diseases/conditions not currently or
previously on a weight loss or other special diet (in the past 6 months)
- non-smoking
- not been clinically diagnosed with an eating disorder
- habitually eat an afternoon snack between 2:00-4:00 pm
- no food allergies related to the study snacks
- rates the overall liking of hummus higher than "Neither Like nor Dislike" on the
screening palatability questionnaire.
Exclusion Criteria:
- Clinically diagnosed with an eating disorder
- Metabolic, hormonal, and/or neural conditions/diseases that influence metabolism or
appetite
- Currently or previously on a weight loss or other special diet (in the past 6 months)
- Gained/lost >10 lb. over the past 6 months
- Taking medication that would directly influence appetite (weight-loss drugs or
antidepressant, steroid, or thyroid medication, unless dosage has been stable for at
least 6 months)
- Not willing or able to complete all study testing procedures
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