Journal of Nutrition Vol. 17 No. 6 June 1939, pp. 545-555
Copyright © 1939 by American Society for Nutrition
Production of Goiter in Rats with Raw and with Treated Soy Bean Flour
George R. Sharpless,
Janice Pearsons and
Geneva S. Prato
Department of Laboratories, Henry Ford Hospital, Detroit, Michigan
- 1. A diet composed of unprocessed soy bean flour, yeast, sugar, butterfat, sodium chloride and calcium carbonate, when fed to rats, produces thyroid enlargement of four times normal in an experimental period of 7 weeks.
- 2. The minimum iodine requirement of rats fed the goiterogenic diet is two times normal or approximately 50 µg. per 100 calories of food. The optimum iodine requirement is approximately 200 µg per 1000 calories which is also twice normal.
- 3. Unprocessed soy bean flour contains a positive goiterogenic property that is removed or destroyed by fat solvents (ether or acetone) or by steam.
Manuscript received 27 January 1939.
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