エルゴステロールの紫外線照射反応に及ぼす照射波長とプレビタミンD_2の生成量について

概要

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In the ultraviolet (hereafter called UV) irradiation of ergosterol, the effects of wavelength (UV irradiation lamp 254nm and 310nm) were investigated on the formation of pre-vitamin D_2. The determination of pre-vitamin D_2 used high performance liquid chromatography. The results were as follows: (19 The precursor of vitamin D_2 is pre-vitamin D_2. It was formed when ergosterol (solution alcohol) was exposed to UV irradiation (254nm and 310nm). (2) The formation rate of pre-vitamin D_2 with the irradiation of 254nm-lamp increased about 3 times higher than those with the irradiation of 310nm-lamp (after 60 minuts). (39 When eregsterol was irradiated with 254nm-lamp and 310nm-lamp at the same time, the formation rate of pre-vitamin D_2 increased about 1.4 times higher than those with 254nm-lamp only. (4) The ergosterol contents decreased gradually as the UV irradiation time went on.
東京聖栄大学の論文
1996-12-20