Effects of Grape Juice With Breakfast on Glycemia and Cognitive Function in Healthy Adults
| Status: | Not yet recruiting |
|---|---|
| Healthy: | No |
| Age Range: | 25 - 60 |
| Updated: | 3/23/2019 |
| Start Date: | June 2019 |
| End Date: | September 2020 |
| Contact: | Richard D Mattes, PhD |
| Email: | mattes@purdue.edu |
| Phone: | 765-494-0662 |
Assess the impact of 100% grape juice with a meal on postprandial glycemic response and
subsequent appetite, food intake and cognitive function.
subsequent appetite, food intake and cognitive function.
Investigators earlier studies and published literature suggest that the phenolic content and
strong flavor intensity of 100% Concord grape juice hold potential beneficial effects on
blood sugar levels. Investigators aim to better understand the consumption of 100% grape
juice with a meal modifies appetite and glycemia acutely and over the day using a 24 hour
glucose monitor.
strong flavor intensity of 100% Concord grape juice hold potential beneficial effects on
blood sugar levels. Investigators aim to better understand the consumption of 100% grape
juice with a meal modifies appetite and glycemia acutely and over the day using a 24 hour
glucose monitor.
Inclusion Criteria:
- BMI between 25.0-34.9 kg/m2
- Willingness to eat all test foods
- Low consumer of tea and coffee, willingness to refrain from both during the 48 hours
prior to test days and on the test day
- Fasting blood glucose below 6.1mmol/l via capillary finger-stick blood sample using a
SureStep glucometer (Lifescan, Milpitas, CA)
Exclusion Criteria:
- Taking medications known to affect glycemia, lipid metabolism or appetite
- Body weight fluctuation of >5kg in the past 3 months
- Taking vitamin or other supplements
- Smokers
- Acute or Chronic disease
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