Journal article
Exposure to solar ultraviolet radiation is associated with a decreased folate status in women of childbearing age
Journal of Photochemistry and Photobiology B: Biology, Vol.131, pp.90-95
2014
Abstract
In vitro studies indicate that folate in collected human blood is vulnerable to degradation after exposure to ultraviolet (UV) radiation. This has raised concerns about folate depletion in individuals with high sun exposure. Here, we investigate the association between personal solar UV radiation exposure and serum folate concentration, using a three-week prospective study that was undertaken in females aged 18-47 years in Brisbane, Australia (153 E, 27 S). Following two weeks of supplementation with 500 μg of folic acid daily, the change in serum folate status was assessed over a 7-day period of measured personal sun exposure. Compared to participants with personal UV exposures of <200 Joules per day, participants with personal UV exposures of 200-599 and >600 Joules per day had significantly higher depletion of serum folate (p = 0.015). Multivariable analysis revealed personal UV exposure as the strongest predictor accounting for 20% of the overall change in serum folate (Standardised B = -0.49; t = -3.75; p = <0.01). These data show that increasing solar UV radiation exposures reduces the effectiveness of folic acid supplementation. The consequences of this association may be most pronounced for vulnerable individuals, such as women who are pregnant or of childbearing age with high sun exposures. © 2014 Elsevier B.V. All rights reserved.
Details
- Title
- Exposure to solar ultraviolet radiation is associated with a decreased folate status in women of childbearing age
- Authors
- D Borradale (Author) - Queensland University of TechnologyE Isenring (Author) - University of QueenslandE Hacker (Author) - Queensland University of TechnologyMichael G Kimlin (Author) - Queensland University of Technology
- Publication details
- Journal of Photochemistry and Photobiology B: Biology, Vol.131, pp.90-95
- Publisher
- Elsevier BV
- Date published
- 2014
- DOI
- 10.1016/j.jphotobiol.2014.01.002
- ISSN
- 1011-1344
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy
- Language
- English
- Record Identifier
- 99449468402621
- Output Type
- Journal article
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