Availability of Vitamin D UV and a 'Vitamin D Index' for public exposure advice

Olds, William J. & Kimlin, Michael G. (2006) Availability of Vitamin D UV and a 'Vitamin D Index' for public exposure advice. In UV Radiation and its Effect: An Update, 19 - 21 April 2006, National Institute of Air and Water, New Zealand. Dunedin..


Vitamin D production in the skin by UV exposure is the most prominsing means of alleviating the worldwide burden of vitamin D deficiency. However, we demonstrate that vitamin D production cannot be quantified by the current UV Index, which is based on the erythemal action spectrum. Large disagreement was observed when comparing (by computer simulation) the daily levels of erythemal UV and UV weighted for the established vitamin D action spectrum. We suggest that by using this spectrum, and accounting for other factors that affect vitamin D UV levels, a "Vitamin D Index" could be created. This could give more appropriate UV exposure advice than the current erythemal UV index alone, and reduce the worldwide burden of vitamin D deficiency.

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ID Code: 8531
Item Type: Conference Paper
Refereed: Yes
Additional Information: The contents of this conference can be freely accessed online via the conference’s web page (see hypertext link).
Additional URLs:
Keywords: Vitamin D, production, deficiency, UV, spectrum, UV index
ISBN: 1877264202
ISSN: 0111-3895
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2006 (please consult author)
Deposited On: 24 Sep 2007 00:00
Last Modified: 15 Jan 2009 07:38

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