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The purpose of this study is to validate the non-invasive tool, resonance Raman spectroscopy for assessing vegetable and fruit consumption.
This study will validate the use of resonance Raman spectroscopy to assess vegetable and fruit intake by performing a controlled feeding study during which volunteers will consume a provided diet with known amounts of carotenoids in the form of fruits and vegetables.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Skin Carotenoids | Other | Skin carotenoids will be measured under conditions of depletion or repletion |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Carotenoid Depletion | Other | Depletion of carotenoids using a restricted food list |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Serum and skin levels of carotenoids in adults fed a high carotenoid diet | 28 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| James Roemmich, PhD | USDA Grand Forks Human Nutrition Research Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Grand Forks Human Nutrition Research Center | Grand Forks | North Dakota | 58203 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25008856 | Derived | Jahns L, Johnson LK, Mayne ST, Cartmel B, Picklo MJ Sr, Ermakov IV, Gellermann W, Whigham LD. Skin and plasma carotenoid response to a provided intervention diet high in vegetables and fruit: uptake and depletion kinetics. Am J Clin Nutr. 2014 Sep;100(3):930-7. doi: 10.3945/ajcn.114.086900. Epub 2014 Jul 9. |
| Label | URL |
|---|---|
| Grand Forks Human Nutrition Research Center | View source |
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| Carotenoid Repletion |
| Other |
Carotenoid repletion with provided diet based on dietary guidelines. |
|
| Carotenoid Depletion | Other | Carotenoid depletion using a restricted food list. |
|
| Natural Repletion | Other | Resumption of usual personal diet regimen. No restrictions. |
|