The Survey on the Contents of Sr-90 in Japanese Daily Diet (Rep. 2)
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概要
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The fear of increased dietary contamination with radioactive elements from fallout has stimulated considerable effort towards finding a safe and effective means of decreasing the body burden of radioactivity. In continuance to the survey in 1960, we have been carrying out the survey in 1961, too.Before the opening of this survey, Japan was divided into 8 areas, afterward was added 3 areas.One prefecture was chosen from the different area and stillmore, one urban district and one suburban district were chosen from different prefecture. This survey was performed twice a year. As subjects in this survey 10 families were selected from the different district, but 20 families were selected from FUKUOKA, NIIGATA, and TOKYO.In each family, daily diet for adult per day per person was collected, as regards to child, it was collected by the same means to adult.The collected samples were dried and were burned to ash and the contents of Sr-90 in daily diet were measured by the method of furming nitric acid.The results were shown on a table.The tendency of contaminated degree in similar compare with results of 1960, namely, the North-East areas, the North-West areas and the South part of Japan are higher level more than another areas.Now, when to compare with adults and children about value of S. U., its value of children higher than that of adults.This is a very important fact, therefore, we must search to protective agents to hazard occur by radioactive elements through the alimentary tract.
- 特定非営利活動法人 日本栄養改善学会の論文
特定非営利活動法人 日本栄養改善学会 | 論文
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