Factors used for the estimation of radioactive nuclide intake through foodstuffs by inhabitants in coastal area of Ibaraki Prefecture, 1

The consumption of starchy and non-starchy roots of root vegetables was surveyed on three kinds of families in Kuji town and Tokai village. The average daily intake of starchy and nonstarchy roots through a year was 28-43g/d/p and 65-95g/d/p, respectively. Seasonal variation was observed for non-starchy roots, namely high consumption in autumn and less in summer. The contribution of starchy roots consumption was only 10 percents to the whole vegetable consumption.