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Dietary ⁹⁰Sr Reductions through Food Substitutions in the Fruit and Vegetable Category¹

Department of Physical Biology, New York State Veterinary College, Cornell University, Ithaca, New York

Management of dietary practice to minimize intake of ⁹⁰Sr by the human population requires knowledge of the relative ⁹⁰Sr and calcium contributions of different foodstuffs. An analysis is presented for fruits and vegetables, a category generally neglected. The extent of reduction possible depends on the nature of the diet and the degree of constraint imposed; for example, the maximal effect from modifications in patterns of consumption and routine processing of fruits and vegetables occurs with a diet of minimal dairy products and amounts to about a 40% reduction in ⁹⁰ Sr/Ca intake. Information of this type can be used in conjunction with other practices designed to reduce radionuclide intake. This would permit an overall assessment of the potential reductions from dietary decontamination procedures.

Manuscript received 25 August 1966.