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| Name | Class |
|---|---|
| Saskatchewan Pulse Growers | OTHER |
| Alberta Pulse Growers | OTHER |
The objectives are to test the acute effects of different cereals containing pulse ingredients on: 1) aerobic endurance and substrate oxidation during exercise 2) response of blood glucose, insulin and appetite to an aerobic exercise session, and 3) food intake two hours following the exercise session. The investigators hypothesize that consumption of cereals containing pulse ingredients 60 minutes before exercise will increase aerobic endurance (lower oxygen consumption), decrease carbohydrate oxidation (greater respiratory quotient), and a reduction in lactate production during compared to the same exercise session following the ingestion of a non-pulse food. The investigators also hypothesize that consumption of cereals containing pulse ingredients will lead to lower blood glucose, insulin, appetite and food intake, suggesting lower calorie compensation, following a 60-minute aerobic exercise session compared to the same exercise session following the ingestion of a non-pulse food.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control | Placebo Comparator | 100% Wheat Flour |
|
| Cereal w/ pea protein | Experimental | Pea protein |
|
| Cereal w/ pea starch | Experimental | Pea starch |
|
| Cereal w/ pea starch + pea fibre | Experimental | Pea starch + pea fibre: 5g |
|
| Cereal w/ pea protein + pea starch | Experimental | Pea protein + pea starch: 10g |
|
| Cereal w/ pea protein + pea fibre + pea starch: | Experimental | Pea protein + pea fibre + pea starch: 20g |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Control | Other | Non pulse extruded cereal |
| |
| Pea protein |
| Measure | Description | Time Frame |
|---|---|---|
| Plasma Glucose Concentrations | Measured in blood using intravenous catheter. Glucose will be determined by automated methods using Abbot Spectrum Clinical Chemistry-X Analyzer, | 0-240 minutes |
| Food Intake | Ad-libitum meal | at 240 minutes |
| Subjective Appetite | Motivation-to-eat Visual Analog Scale questionnaire | 0-240 minutes |
| Exercise intensity | Oxygen consumption measured during exercise at 3 time points | 60-120 minutes |
| Insulin concentrations | Measured in blood using intravenous catheter. and Insulin will be measured by commercially available radioimmunoassay (RIA) kits | 0-240 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Palatability measured by Visual Analog Scale questionnaire | Food tasting | 5 and 260 minutes |
| Physical comfort measured by Visual Analog Scale questionnaire | Contributions from energy intake |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Peter JH Jones, PhD | University of Manitoba, Richardson Centre for Functional Foods and Nutraceuticals | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Richardson Centre for Functional Foods and Nutraceuticals | Winnipeg | Manitoba | R3T 2N2 | Canada |
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| ID | Term |
|---|---|
| D000078724 | Pea Proteins |
| ID | Term |
|---|---|
| D014674 | Plant Proteins, Dietary |
| D004044 | Dietary Proteins |
| D011506 | Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
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| Other |
Pulse extruded cereal |
|
| Pea Starch | Other | Pulse extruded cereal |
|
| Pea fibre + pea starch | Other | Pulse extruded cereal |
|
| Pea protein + pea starch | Other | Pulse extruded cereal |
|
| Pea fibre + pea starch + pea protein | Other | Pulse extruded cereal |
|
| 0-240 minutes |
| Energy/fatigue measured by Visual Analog Scale questionnaire | Estimate of energy expenditure | 0 - 240 minutes |
| Heart rate | To monitor exercise intensity and give a measure of fatigue (cardiovascular drift) | 60-120 minutes |
| Substrate Oxidation | Respiratory quotient measured during exercise at 3 time points | 60-120 minutes |
| Lactate concentration | Measured before, during, and after exercise exercise at 3 time points | 60-120 minutes |
| D010940 |
| Plant Proteins |
| D005502 | Food |
| D000066888 | Diet, Food, and Nutrition |
| D010829 | Physiological Phenomena |
| D019602 | Food and Beverages |