Nutritional Effects of Alkali-treated Soyprotein in Rats

Abstract
Alkali-treated spun soy isolate was fed to rats at dietary levels of 5, 10, and 20% for a period of 90 days. The results failed to reveal any adverse effects on general appearance, growth, feed efficiency, hematological indices, blood serum values, urine composition, kidney function, organ weights, and gross and microscopic pathology except for an increase in both the relative kidney weights and degree of nephrocalcinosis in females only. These renal changes were, however, shown to be related to the high dietary level of available phosphorus. Renal cytomegalia was not observed.

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