Pulse flours represent a fast-growing segment on the functional food market; however, their health effects are not well understood. The observational studies and acute trials have established the link between frequent consumption of cooked whole pulses (beans, peas, lentils and chickpeas) and healthier body weight and improved blood glucose control. However, it is not clear whether these effects still remain after the processing of pulses into flours. The investigators hypothesized that the baked food products formulated with lentil flour of the same particle size as all-purpose wheat flour may reduce postprandial glycaemia and elicit a stronger suppression of subjective appetite due to its higher content of protein and resistant carbohydrate compared to all-purpose wheat flour. The treatments will be formulated either with lentil flour or with all-purpose wheat flour of similar particle size or with their combination. The objective of the project is to test the effect of foods formulated with lentil flour and/or wheat flour on blood glucose, short-term food intake and subjective appetite.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
54
Mount Saint Vincent University
Halifax, Nova Scotia, Canada
Blood Glucose
The concentration of venous blood glucose before and after each treatment consumption
Time frame: 0-120 minutes
Food Intake
The amount of energy (kcal) consumed ad libitum at the test meal (pizza lunch) two hours after each treatment consumption
Time frame: 120 minutes
Subjective Appetite
The subjective assessment of appetite parameters including desire to eat, fullness, hunger and a prospective food consumption measured with 100 mm Visual Analogue Scales with two opposite statements at each end (e.g., for the hunger scale, 0 mm means not hungry at all, and 100 mm means very hungry).
Time frame: 0-120 minutes
Physical Comfort
The subjective assessment of wellness and gastrointestinal symptoms including a feeling of nausea, diarrhea, flatulence, and other parameters measured with 100 mm Visual Analogue Scales with two opposite statements at each end.
Time frame: 0-120 minutes
Palatability of Food
The palatability of the treatments will be measured immediately after consumption with a 100 mm Visual Analogue Scale with two opposite statements at each end or with a 9-point hedonic scale.
Time frame: 5 minutes
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