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Long-term dietary intake of selenium, calcium, and dairy products is associated with improved capillary recruitment in healthy young men.
MedLine Citation:
PMID:  22821285     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: To identify associations between long-term (1 year) food intake and skin nutritive microvascular function in healthy subjects. METHODS: This was a cross-sectional study. A validated 88-item food-frequency questionnaire was administered to 39 healthy men aged 23.4 ± 0.5 years and body mass index 23.3 ± 2.3 kg/m(2), who reported food intake during the last year and underwent videocapillaroscopy exams. The main outcome was the increase in functional capillary recruitment, that is, peak capillary density after post-occlusive reactive hyperemia subtracted from basal capillary density (caps/mm(2)). Associations between reported food intake and functional capillary recruitment were investigated. RESULTS: Daily average estimates of intake were: total energy (3,745 ± 1,365 kcal), carbohydrates (60.1 ± 5.9 %), lipids (22.1 ± 4.4 %), proteins (17.8 ± 4.1 %), fibers (33.9 ± 18.5 g), and cholesterol (492.8 ± 209.6 mg). Positive significant correlations with capillary recruitment were found for selenium (as μg/day/1,000 kcal; rho = 0.3412, p = 0.038,) calcium (as mg/day/1,000 kcal; rho = 0.3390, p = 0.043), and percentage of total energy from dairy products (rho = 0.3660, p = 0.023). CONCLUSIONS: Long-term intakes of selenium, calcium, and dairy products were positively associated with capillary recruitment in skin nutritive microcirculation in healthy young men. The role of such dietary components is discussed and possible mechanisms for their effects should be further investigated. This evidence adds one more possible functional property of these nutrients and food items.
Authors:
Caroline Buss; Carolina Marinho; Priscila Alves Maranhão; Eliete Bouskela; Luiz Guilherme Kraemer-Aguiar
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-22
Journal Detail:
Title:  European journal of nutrition     Volume:  -     ISSN:  1436-6215     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888704     Medline TA:  Eur J Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Clinical and Experimental Research Laboratory on Vascular Biology, BioVasc, Biomedical Center, State University of Rio de Janeiro, Rua São Francisco Xavier, 524, Maracanã, UERJ, Pavilhão Haroldo Lisboa da Cunha, Sala 104 (BioVasc), Térreo, Rio de Janeiro, CEP: 20550-013, Brazil, nutri.carolinebuss@gmail.com.
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