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Effect of Dietary Pectin on Iron Absorption and Turnover in the Rat¹

Division of Gastroenterology and Nutrition, Department of Medicine, University of Florida College of Medicine, Gainesville, FL 32610

The influence of dietary pectin on iron absorption and retention was studied in rats. Basal diet with low and normal iron levels were fed with and without addition of 2% citrus pectin. After 40 days rats were fasted for 24 hours and were given ⁵⁹Fe in dilute HCl with or without 2% pectin by gavage. Whole-body counting techniques were employed to monitor ⁵⁹Fe absorption and turnover. Rats maintained on low iron diet absorbed and retained a much higher proportion of ⁵⁹Fe than rats maintained on normal level of iron. Dietary pectin at the level fed in this study had no influence on iron uptake and/or turnover in rats.

KEY WORDS: • iron • pectin • dietary fiber

¹ Supported in part by a grant from the Florida Citrus Commission.

Manuscript received 7 March 1983.