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Effect of Pectin on the Retention of Dietary Lead (Radium D)

Department of Physiology, University of Tennessee College of Medicine, Memphis

Rats were fed 200 gm. each of a diet containing not more than 0.04 p.p.m. of Pb²¹⁰. One group served as controls, another received 5% pectin which replaced an equal amount of starch.

The control group retained 15.8% of the radioactive lead, and excreted 10.9% in the urine and 71.7% in the feces. The pectin-fed animals retained an average of 24% less lead than the controls. Significantly less was eliminated in the urine and significantly more in the feces.