The correlation between two dietary assessments of carotenoid intake and plasma carotenoid concentrations: application of a carotenoid food-composition database
Open Access
- 1 October 1993
- journal article
- research article
- Published by Elsevier in The American Journal of Clinical Nutrition
- Vol. 58 (4) , 519-524
- https://doi.org/10.1093/ajcn/58.4.519
Abstract
A newly available carotenoid food-composition database providing specific carotenoid values for > 2300 foods was linked to dietary data on 57 male nonsmokers to examine the association between dietary carotenoid intake and plasma carotenoid concentrations over 3 wk when free-living. Carotenoid intake was estimated from a food-frequency questionnaire (FFQ) and 7 d of food diaries with concurrent analysis of plasma carotenoid concentrations. After adjustment for energy intake, percentage of energy from alcohol, and plasma lipid concentrations, significant diet-plasma correlations for the FFQ and the food diaries (FD) included α-carotene (r = 0.29 and 0.43), β-carotene (r = 0.36 FFQ only), β-cryptoxanthin (r = 0.46 and 0.44), lutein (r = 0.44 FT) only), and lycopene (r = 0.53 FD only). Dietary carotenoid intakes were associated with plasma carotenoid concentrations for all the carotenoids except for β-carotene when food diaries were used whereas the diet-plasma correlation for the provitamin A carotenoids were consistently significant when the FFQ was used.Keywords
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