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Daily Duration of Vitamin D Synthesis in Human Skin with Relation to Latitude, Total Ozone, Altitude, Ground Cover, Aerosols and Cloud Thickness
Abstract
Vitamin D production in human skin occurs only when incident UV radiation exceeds a certain threshold. From simulations of UV irradiances worldwide and throughout the year, we have studied the dependency of the extent and duration of cutaneous vitamin D production in terms of latitude, time, total ozone, clouds, aerosols, surface reflectivity and altitude. For clear atmospheric conditions, no cutaneous vitamin D production occurs at 51 degrees latitude and higher during some periods of the year. At 70 degrees latitude, vitamin D synthesis can be absent for 5 months. Clouds, aerosols and thick ozone events reduce the duration of vitamin D synthesis considerably, and can suppress vitamin D synthesis completely even at the equator. A web page allowing the computation of the duration of cutaneous vitamin D production worldwide throughout the year, for various atmospheric and surface conditions, is available on the Internet at http://zardoz.nilu.no/~olaeng/fastrt/VitD.html and http://zardoz.nilu.no/~olaeng/fastrt/VitD‐ez.html. The computational methodology is outlined here.
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Cited by
Hyppönen, E., & Power, C. (2007) · The American Journal of Clinical Nutrition · doi:10.1093/ajcn/85.3.860 · Cited by 756
Crowe, F. L., Steur, M., Allen, N. E., Appleby, P. N., Travis, R. C., & Key, T. J. (2011) · Public Health Nutrition · doi:10.1017/s1368980010002454 · Cited by 302
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Groves, N. J., McGrath, J. J., & Burne, T. H. J. (2014) · Annual Review of Nutrition · doi:10.1146/annurev-nutr-071813-105557 · Cited by 256
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Webb, A. R. (2006) · Energy and Buildings · doi:10.1016/j.enbuild.2006.03.004 · Cited by 240
Norval, M., Cullen, A. P., de Gruijl, F. R., Longstreth, J., Takizawa, Y., Lucas, R. M., Noonan, F. P., & van der Leun, J. C. (2007) · Photochemical & Photobiological Sciences · doi:10.1039/b700018a · Cited by 199
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Rabenberg, M., Scheidt-Nave, C., Busch, M. A., Rieckmann, N., Hintzpeter, B., & Mensink, G. B. M. (2015) · BMC Public Health · doi:10.1186/s12889-015-2016-7 · Cited by 149
Knutsen, K. V., Brekke, M., Gjelstad, S., & Lagerløv, P. (2010) · Scandinavian Journal of Primary Health Care · doi:10.3109/02813432.2010.505407 · Cited by 149
Sunbed Radiation Provokes Cutaneous Vitamin D Synthesis in Humans—A Randomized Controlled Trial
Thieden, E., Jørgensen, H. L., Jørgensen, N. R., Philipsen, P. A., & Wulf, H. C. (2008) · Photochemistry and Photobiology · doi:10.1111/j.1751-1097.2008.00372.x · Cited by 72
Photoprotection and vitamin D: a review
Kannan, S., & Lim, H. W. (2014) · Photodermatology, Photoimmunology & Photomedicine · doi:10.1111/phpp.12096 · Cited by 55
Duration of casual sunlight exposure necessary for adequate vitamin D status in Indian men
Khadilkar, A., Patwardhan, V., Mughal, Z., Chiplonkar, S., Webb, A., Kift, R., Khadilkar, V., & Padidela, R. (2018) · Indian Journal of Endocrinology and Metabolism · doi:10.4103/ijem.ijem_473_17 · Cited by 45
Metadata
- Authors
- Engelsen, O., Brustad, M., Aksnes, L., & Lund, E.
- Venue
- Photochemistry and Photobiology
- Publisher
- Wiley
- Published
- 2005-11
- Volume
- 81
- Issue
- 6
- Pages
- 1287-1290
- ISSN
- 0031-8655 (ISSN-L)
- 1751-1097
- OpenAlex
- W2045023292
- Cited by
- 304
- References
- 0
- FWCI
- 8.11
- Type
- journal article
- Language
- en
- Open access
- closed
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