Ozone and solar UV‐B radiation: monitoring of the vitamin D synthetic capacity of sunlight in Kiev and Antarctica

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Abstract:

Vitamin D synthesis is a well‐known beneficial effect of solar UV‐B radiation. Theoretical calculations showed the significant effect of the stratospheric ozone layer thickness on the vitamin D synthetic capacity of sunlight. During 2003–2004 permanent monitoring of solar UV radiation, using an in vitro model of vitamin D synthesis, was carried out in Kiev (50°23′N, 30°32′E) and in the Antarctic at the Vernadsky station (65°15′S, 64°16′W). Simultaneously, ozone layer thickness in the Antarctic was measured with a Dobson spectrometer. The results obtained confirm the known dramatic seasonal effect on the vitamin D synthetic capacity of sunlight. In addition, for the first time, a significant increase in the efficiency of vitamin D synthesis was revealed at the Vernadsky station in October under low ozone conditions.

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/01431160500076863

Affiliations: 1: Institute of Physics, National Academy of Sciences of Ukraine, Prospekt Nauki, 46 03028 Kyiv‐28, Ukraine 2: Ukrainian Antarctic Center, 16 Tarasa Shevchenka Blvd, Kyiv, 01601 Ukraine

Publication date: August 20, 2005

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