X線全身照射とビタミンB_2代謝に関する実験的研究 : (IV)X線照射后の諸臓器ビタミンB_2分布の変動に及ぼすビタミンB_2負荷の影響

概要

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Observations were made on post irradiated change of riboflavin contents in various tissues of the adult rats which were injected subcutaneously with 0.3μg of riboflavin per gram of body weight everyday before, or before and after, 800r irradiation. 1) The change of riboflavin contents in tissues of the irradiated rats loaded with the vitamin before irradiation were similar as the change of non-loaded rats, but the degree of change was more slight. 2) In the irradiated rats loaded with the vitamin before and after irradiation, free riboflavin was collected in tissues sensitive to X rays and excreted in urine. 3) From the above results, it may be considered that the post irradiate dchange of riboflavin contents are prevented slightly by loading the vitamin before irradiation, and that the esterification and consumption of riboflavin administered after irradiation are disturbed in tissues sensitive to X rays.
日本ビタミン学会の論文